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

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

Index: sdk/lib/_internal/pub_generated/test/serve/does_not_serve_gitignored_assets_in_a_path_dependency_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/does_not_serve_gitignored_assets_in_a_path_dependency_test.dart b/sdk/lib/_internal/pub_generated/test/serve/does_not_serve_gitignored_assets_in_a_path_dependency_test.dart
deleted file mode 100644
index ce55ae3ee3acf2da6111ef625dba86f7499306f5..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/test/serve/does_not_serve_gitignored_assets_in_a_path_dependency_test.dart
+++ /dev/null
@@ -1,31 +0,0 @@
-library pub_tests;
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-main() {
-  initConfig();
-  integration("doesn't serve .gitignored assets in a path dependency", () {
-    ensureGit();
-    d.dir(appPath, [d.appPubspec({
-        "foo": {
-          "path": "../foo"
-        }
-      })]).create();
-    d.git(
-        "foo",
-        [
-            d.libPubspec("foo", "1.0.0"),
-            d.dir(
-                "lib",
-                [
-                    d.file("outer.txt", "outer contents"),
-                    d.file("visible.txt", "visible"),
-                    d.dir("dir", [d.file("inner.txt", "inner contents")])]),
-            d.file(".gitignore", "/lib/outer.txt\n/lib/dir")]).create();
-    pubServe(shouldGetFirst: true);
-    requestShould404("packages/foo/outer.txt");
-    requestShould404("packages/foo/dir/inner.txt");
-    requestShouldSucceed("packages/foo/visible.txt", "visible");
-    endPubServe();
-  });
-}