refactor(forms): remove FORM_PROVIDERS, FORM_DIRECTIVES, REACTIVE_FORM_PROVIDERS, REACTIVE_DIRECTIVES

All of these have been replaced by FormsModule and ReactiveFormsModule.

modules/@angular/compiler-cli/integrationtest/src/basic.ts

@@ -8,9 +8,7 @@
 
 import {NgFor, NgIf} from '@angular/common';
 import {Component, Inject, LOCALE_ID, TRANSLATIONS_FORMAT} from '@angular/core';
-import {FORM_DIRECTIVES} from '@angular/forms';
 
-import {MultipleComponentsMyComp} from './a/multiple_components';
 
 @Component({
   selector: 'basic',