[CQ] update `unnecessary_ignore` calculation

Some day I hope we can enable this. In anticipation, this updates some stale logic.

Change-Id: Id19a346da1a789b2fbfb0c37f71bfc7c7fd98176
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/403386
Commit-Queue: Phil Quitslund <pquitslund@google.com>
Auto-Submit: Phil Quitslund <pquitslund@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>

https://dart.googlesource.com/sdk/+/c86d7fe8b912fdc6c14fe491696c20beabefabf3
diff --git a/DEPS b/DEPS
index b29d12a..15b6a15 100644
--- a/DEPS
+++ b/DEPS
@@ -183,9 +183,7 @@
   "upstream_markdown": "https://github.com/dart-lang/markdown.git",
   "upstream_mockito": "https://github.com/dart-lang/mockito.git",
   "upstream_ocmock": "https://github.com/erikdoe/ocmock.git",
-  "upstream_package_config": "https://github.com/dart-lang/package_config.git",
   "upstream_packages": "https://github.com/flutter/packages.git",
-  "upstream_pool": "https://github.com/dart-lang/pool.git",
   "upstream_process_runner": "https://github.com/google/process_runner.git",
   "upstream_process": "https://github.com/google/process.dart.git",
   "upstream_protobuf": "https://github.com/google/protobuf.dart.git",
@@ -198,17 +196,13 @@
   "upstream_shaderc": "https://github.com/google/shaderc.git",
   "upstream_shelf": "https://github.com/dart-lang/shelf.git",
   "upstream_skia": "https://skia.googlesource.com/skia.git",
-  "upstream_source_maps": "https://github.com/dart-lang/source_maps.git",
-  "upstream_source_span": "https://github.com/dart-lang/source_span.git",
   "upstream_sqlite": "https://github.com/sqlite/sqlite.git",
-  "upstream_sse": "https://github.com/dart-lang/sse.git",
   "upstream_stack_trace": "https://github.com/dart-lang/stack_trace.git",
   "upstream_stream_channel": "https://github.com/dart-lang/stream_channel.git",
   "upstream_string_scanner": "https://github.com/dart-lang/string_scanner.git",
   "upstream_SwiftShader": "https://swiftshader.googlesource.com/SwiftShader.git",
   "upstream_tar": "https://github.com/simolus3/tar.git",
   "upstream_term_glyph": "https://github.com/dart-lang/term_glyph.git",
-  "upstream_test_reflective_loader": "https://github.com/dart-lang/test_reflective_loader.git",
   "upstream_test": "https://github.com/dart-lang/test.git",
   "upstream_usage": "https://github.com/dart-lang/usage.git",
   "upstream_vector_math": "https://github.com/google/vector_math.dart.git",
@@ -252,7 +246,7 @@
 ]
 
 deps = {
-  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'a1f5ee9861c73486ab3f9bdc8090c0d0342d5397',
+  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'c86d7fe8b912fdc6c14fe491696c20beabefabf3',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'ad5e1fe300b7bfe618f9c2f4a394f499eac6859c',
 
@@ -351,33 +345,15 @@
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/native':
    Var('dart_git') + '/native.git@0f9cb0bea17cdd39bacc498e36d687d6baddd0a3',
 
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/package_config':
-   Var('dart_git') + '/package_config.git@07097d7ae60d40b34ce8daabdce318ecc168b7d1',
-
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/pool':
-   Var('dart_git') + '/pool.git@bf27900420ba382b6e5c0484ab3c79daad703dcd',
-
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/protobuf':
    Var('dart_git') + '/protobuf.git' + '@' + Var('dart_protobuf_rev'),
 
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/pub':
    Var('dart_git') + '/pub.git' + '@' + Var('dart_pub_rev'),
 
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/pub_semver':
-   Var('dart_git') + '/pub_semver.git@960f91309e325ae037e5f1434acb77b83a12d91e',
-
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/shelf':
    Var('dart_git') + '/shelf.git@2b5b683e78f5cc84e479a43297fd7b5489d7db02',
 
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/source_maps':
-   Var('dart_git') + '/source_maps.git@e5e9d343302acf7df2145316ae4e56026c550989',
-
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/source_span':
-   Var('dart_git') + '/source_span.git@e6a34591b7f7880c7ca0fcb95b858ccf7f8be304',
-
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/sse':
-   Var('dart_git') + '/sse.git@b573a1e9a61f5f3e2198becfa3f4f2e8decd1e90',
-
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/stack_trace':
    Var('dart_git') + '/stack_trace.git@5fe4cfea7f0d8e67b7d5738d2e1c64a18b5ba450',
 
@@ -396,9 +372,6 @@
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/test':
    Var('dart_git') + '/test.git@f364fc8291d668d85c702a5b9f9a4f2e5c1ade0e',
 
-  'flutter/engine/src/flutter/third_party/dart/third_party/pkg/test_reflective_loader':
-   Var('dart_git') + '/test_reflective_loader.git@9e35c9e00b8b6299e9295c0f29617af39276717d',
-
   'flutter/engine/src/flutter/third_party/dart/third_party/pkg/tools':
    Var('dart_git') + '/tools.git' + '@' + Var('dart_tools_rev'),
 
diff --git a/commits.json b/commits.json
index f09a955..3e7ded0 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
   "flutter":"ad5e1fe300b7bfe618f9c2f4a394f499eac6859c",
-  "flutter/engine/src/flutter/third_party/dart":"a1f5ee9861c73486ab3f9bdc8090c0d0342d5397"
+  "flutter/engine/src/flutter/third_party/dart":"c86d7fe8b912fdc6c14fe491696c20beabefabf3"
 }
\ No newline at end of file