Cleanup .gitignore
diff --git a/.gitignore b/.gitignore
index d9b7de5..11e5fe7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,12 @@
+# Generated by pub
 .dart_tool/
-.idea/
 .packages
-.pub
-.idea
-out
-packages
 pubspec.lock
+
+# Other generated files
 benchmark/data/pubspec.link.yaml
 benchmark/data/pubspec.link.lock
 benchmark/data/hostname.txt
 benchmark/data/latest_vm.pb.json
 benchmark/lib/generated
+out