docs: in doc comments, replace [aA]ngular2 with Angular (#15463)

packages/compiler-cli/integrationtest/test/test_ngtools_api.ts

@@ -8,7 +8,7 @@
  */
 /* tslint:disable:no-console  */
 
-// Must be imported first, because angular2 decorators throws on load.
+// Must be imported first, because Angular decorators throw on load.
 import 'reflect-metadata';
 
 import * as path from 'path';

packages/compiler-cli/integrationtest/test/test_summaries.ts

@@ -8,7 +8,7 @@
  */
 /* tslint:disable:no-console  */
 
-// Must be imported first, because angular2 decorators throws on load.
+// Must be imported first, because Angular decorators throw on load.
 import 'reflect-metadata';
 
 import * as path from 'path';

packages/compiler-cli/src/extract_i18n.ts

@@ -11,7 +11,7 @@
 /**
  * Extract i18n messages from source code
  */
-// Must be imported first, because angular2 decorators throws on load.
+// Must be imported first, because Angular decorators throw on load.
 import 'reflect-metadata';
 
 import * as tsc from '@angular/tsc-wrapped';

packages/compiler-cli/src/extractor.ts

@@ -10,7 +10,7 @@
 /**
  * Extract i18n messages from source code
  */
-// Must be imported first, because angular2 decorators throws on load.
+// Must be imported first, because Angular decorators throw on load.
 import 'reflect-metadata';
 
 import * as compiler from '@angular/compiler';

packages/compiler-cli/src/main.ts

@@ -8,7 +8,7 @@
  */
 
 
-// Must be imported first, because angular2 decorators throws on load.
+// Must be imported first, because Angular decorators throw on load.
 import 'reflect-metadata';
 
 import * as ts from 'typescript';