Don't use .gitignore when determining what to build/serve/run.

sdk/lib/_internal/pub_generated/test/serve/serves_hidden_assets_that_arent_gitignored_test.dart

Index: sdk/lib/_internal/pub_generated/test/serve/serves_hidden_assets_that_arent_gitignored_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/serves_hidden_assets_that_arent_gitignored_test.dart b/sdk/lib/_internal/pub_generated/test/serve/serves_hidden_assets_that_arent_gitignored_test.dart
deleted file mode 100644
index 4c59aa9b5612f10bc066c324f07ad121ff740072..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/test/serve/serves_hidden_assets_that_arent_gitignored_test.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-library pub_tests;
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-main() {
-  initConfig();
-  integration("serves hidden assets that aren't .gitignored", () {
-    ensureGit();
-    d.git(
-        appPath,
-        [
-            d.appPubspec(),
-            d.dir(
-                "web",
-                [
-                    d.file(".outer.txt", "outer contents"),
-                    d.dir(".dir", [d.file("inner.txt", "inner contents")])])]).create();
-    pubServe();
-    requestShouldSucceed(".outer.txt", "outer contents");
-    requestShouldSucceed(".dir/inner.txt", "inner contents");
-    endPubServe();
-  });
-}