Strip more unused features.

gulpfile.js

Index: gulpfile.js
diff --git a/gulpfile.js b/gulpfile.js
index 3a21f46a585dc0ca1a5af2d0c3ec482727722b40..5571098b31bccfdb46935e3b7cc146cdd974e287 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -81,6 +81,7 @@ gulp.task('test.unit', ['test.compile'], function(done) {
   }
   return gulp.src('build/test/**/*.js').pipe(mocha({
     timeout: 4000,  // Needed by the type-based tests :-(
+    fullTrace: true,
   }));
 });
 
@@ -98,7 +99,7 @@ gulp.task('test.e2e', ['test.compile'], function(done) {
   // run node with a shell so we can wildcard all the .ts files
   var cmd = 'node ../lib/main.js --translateBuiltins --basePath=. --destination=. ' +
       '--typingsRoot=typings/ ' +
-      '*.ts angular2/src/facade/lang.d.ts typings/es6-promise/es6-promise.d.ts';
+      '*.ts typings/es6-promise/es6-promise.d.ts';
   // Paths must be relative to our source root, so run with cwd == dir.
   spawn('sh', ['-c', cmd], {stdio: 'inherit', cwd: dir}).on('close', function(code, signal) {
     if (code > 0) {