refactor: don't bother re-rooting css/js that's injected
refactor: don't bother re-rooting css/js that's injected

Ever since we introduced the injector.js, we don't hard-code paths to these in the index.html
That means we don't really care what path they will be served at.

angular/angular-bazel-example,angular/angular-bazel-example,angular/angular-bazel-example,angular/angular-bazel-example