Remove --fatal-warnings (#1559)

diff --git a/.github/workflows/dart.yml b/.github/workflows/dart.yml
index a83d048..d28df20 100644
--- a/.github/workflows/dart.yml
+++ b/.github/workflows/dart.yml
@@ -37,7 +37,7 @@
       - name: mono_repo self validate
         run: dart pub global run mono_repo generate --validate
   job_002:
-    name: "analyze_and_format; linux; Dart dev; PKGS: integration_tests/nnbd_opted_in, integration_tests/nnbd_opted_out, pkgs/test, pkgs/test_api, pkgs/test_core; `dart format --output=none --set-exit-if-changed .`, `dart analyze --fatal-infos --fatal-warnings .`"
+    name: "analyze_and_format; linux; Dart dev; PKGS: integration_tests/nnbd_opted_in, integration_tests/nnbd_opted_out, pkgs/test, pkgs/test_api, pkgs/test_core; `dart format --output=none --set-exit-if-changed .`, `dart analyze --fatal-infos`"
     runs-on: ubuntu-latest
     steps:
       - name: Cache Pub hosted dependencies
@@ -64,10 +64,10 @@
         if: "always() && steps.integration_tests_nnbd_opted_in_pub_upgrade.conclusion == 'success'"
         working-directory: integration_tests/nnbd_opted_in
         run: "dart format --output=none --set-exit-if-changed ."
-      - name: "integration_tests/nnbd_opted_in; dart analyze --fatal-infos --fatal-warnings ."
+      - name: "integration_tests/nnbd_opted_in; dart analyze --fatal-infos"
         if: "always() && steps.integration_tests_nnbd_opted_in_pub_upgrade.conclusion == 'success'"
         working-directory: integration_tests/nnbd_opted_in
-        run: dart analyze --fatal-infos --fatal-warnings .
+        run: dart analyze --fatal-infos
       - id: integration_tests_nnbd_opted_out_pub_upgrade
         name: integration_tests/nnbd_opted_out; dart pub upgrade
         if: "always() && steps.checkout.conclusion == 'success'"
@@ -77,10 +77,10 @@
         if: "always() && steps.integration_tests_nnbd_opted_out_pub_upgrade.conclusion == 'success'"
         working-directory: integration_tests/nnbd_opted_out
         run: "dart format --output=none --set-exit-if-changed ."
-      - name: "integration_tests/nnbd_opted_out; dart analyze --fatal-infos --fatal-warnings ."
+      - name: "integration_tests/nnbd_opted_out; dart analyze --fatal-infos"
         if: "always() && steps.integration_tests_nnbd_opted_out_pub_upgrade.conclusion == 'success'"
         working-directory: integration_tests/nnbd_opted_out
-        run: dart analyze --fatal-infos --fatal-warnings .
+        run: dart analyze --fatal-infos
       - id: pkgs_test_pub_upgrade
         name: pkgs/test; dart pub upgrade
         if: "always() && steps.checkout.conclusion == 'success'"
@@ -90,10 +90,10 @@
         if: "always() && steps.pkgs_test_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test
         run: "dart format --output=none --set-exit-if-changed ."
-      - name: "pkgs/test; dart analyze --fatal-infos --fatal-warnings ."
+      - name: "pkgs/test; dart analyze --fatal-infos"
         if: "always() && steps.pkgs_test_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test
-        run: dart analyze --fatal-infos --fatal-warnings .
+        run: dart analyze --fatal-infos
       - id: pkgs_test_api_pub_upgrade
         name: pkgs/test_api; dart pub upgrade
         if: "always() && steps.checkout.conclusion == 'success'"
@@ -103,10 +103,10 @@
         if: "always() && steps.pkgs_test_api_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test_api
         run: "dart format --output=none --set-exit-if-changed ."
-      - name: "pkgs/test_api; dart analyze --fatal-infos --fatal-warnings ."
+      - name: "pkgs/test_api; dart analyze --fatal-infos"
         if: "always() && steps.pkgs_test_api_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test_api
-        run: dart analyze --fatal-infos --fatal-warnings .
+        run: dart analyze --fatal-infos
       - id: pkgs_test_core_pub_upgrade
         name: pkgs/test_core; dart pub upgrade
         if: "always() && steps.checkout.conclusion == 'success'"
@@ -116,10 +116,10 @@
         if: "always() && steps.pkgs_test_core_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test_core
         run: "dart format --output=none --set-exit-if-changed ."
-      - name: "pkgs/test_core; dart analyze --fatal-infos --fatal-warnings ."
+      - name: "pkgs/test_core; dart analyze --fatal-infos"
         if: "always() && steps.pkgs_test_core_pub_upgrade.conclusion == 'success'"
         working-directory: pkgs/test_core
-        run: dart analyze --fatal-infos --fatal-warnings .
+        run: dart analyze --fatal-infos
   job_003:
     name: "unit_test; linux; Dart dev; PKG: integration_tests/nnbd_opted_in; `dart test -p chrome,vm,node`"
     runs-on: ubuntu-latest
diff --git a/integration_tests/nnbd_opted_in/mono_pkg.yaml b/integration_tests/nnbd_opted_in/mono_pkg.yaml
index 44560ca..b5e88d8 100644
--- a/integration_tests/nnbd_opted_in/mono_pkg.yaml
+++ b/integration_tests/nnbd_opted_in/mono_pkg.yaml
@@ -6,7 +6,7 @@
     - analyze_and_format:
       - group:
         - format
-        - analyze: --fatal-infos --fatal-warnings .
+        - analyze: --fatal-infos
         dart:
         - dev
     - unit_test:
diff --git a/integration_tests/nnbd_opted_out/mono_pkg.yaml b/integration_tests/nnbd_opted_out/mono_pkg.yaml
index 44560ca..b5e88d8 100644
--- a/integration_tests/nnbd_opted_out/mono_pkg.yaml
+++ b/integration_tests/nnbd_opted_out/mono_pkg.yaml
@@ -6,7 +6,7 @@
     - analyze_and_format:
       - group:
         - format
-        - analyze: --fatal-infos --fatal-warnings .
+        - analyze: --fatal-infos
         dart:
         - dev
     - unit_test:
diff --git a/pkgs/test/mono_pkg.yaml b/pkgs/test/mono_pkg.yaml
index 6b767aa..96fe0bb 100644
--- a/pkgs/test/mono_pkg.yaml
+++ b/pkgs/test/mono_pkg.yaml
@@ -6,7 +6,7 @@
     - analyze_and_format:
       - group:
         - format
-        - analyze: --fatal-infos --fatal-warnings .
+        - analyze: --fatal-infos
         dart:
         - dev
     - unit_test:
diff --git a/pkgs/test_api/mono_pkg.yaml b/pkgs/test_api/mono_pkg.yaml
index 10382a2..3977184 100644
--- a/pkgs/test_api/mono_pkg.yaml
+++ b/pkgs/test_api/mono_pkg.yaml
@@ -6,7 +6,7 @@
   - analyze_and_format:
     - group:
       - format
-      - analyze: --fatal-infos --fatal-warnings .
+      - analyze: --fatal-infos
       dart:
       - dev
   - unit_test:
diff --git a/pkgs/test_core/mono_pkg.yaml b/pkgs/test_core/mono_pkg.yaml
index 626345d..2c7e3f6 100644
--- a/pkgs/test_core/mono_pkg.yaml
+++ b/pkgs/test_core/mono_pkg.yaml
@@ -5,4 +5,4 @@
   - analyze_and_format:
     - group:
       - format
-      - analyze: --fatal-infos --fatal-warnings .
+      - analyze: --fatal-infos
diff --git a/tool/ci.sh b/tool/ci.sh
index a2ccc8c..1595dc2 100755
--- a/tool/ci.sh
+++ b/tool/ci.sh
@@ -68,8 +68,8 @@
       echo -e "\033[1mPKG: ${PKG}; TASK: ${TASK}\033[22m"
       case ${TASK} in
       analyze)
-        echo 'dart analyze --fatal-infos --fatal-warnings .'
-        dart analyze --fatal-infos --fatal-warnings . || EXIT_CODE=$?
+        echo 'dart analyze --fatal-infos'
+        dart analyze --fatal-infos || EXIT_CODE=$?
         ;;
       command_0)
         echo 'xvfb-run -s "-screen 0 1024x768x24" dart test --preset travis --total-shards 5 --shard-index 0'