refactor(lint): Don't allow console.log

Enable tslint check for `console.log` as a follow-up to
https://github.com/angular/angular/issues/13018

modules/@angular/examples/forms/ts/nestedFormArray/nested_form_array_example.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+/* tslint:disable:no-console  */
 // #docregion Component
 import {Component} from '@angular/core';
 import {FormArray, FormControl, FormGroup} from '@angular/forms';

modules/@angular/examples/forms/ts/nestedFormGroup/nested_form_group_example.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+/* tslint:disable:no-console  */
 // #docregion Component
 import {Component} from '@angular/core';
 import {FormControl, FormGroup, Validators} from '@angular/forms';

modules/@angular/examples/forms/ts/ngModelGroup/ng_model_group_example.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+/* tslint:disable:no-console  */
 // #docregion Component
 import {Component} from '@angular/core';
 import {NgForm} from '@angular/forms';

modules/@angular/examples/forms/ts/simpleForm/simple_form_example.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+/* tslint:disable:no-console  */
 // #docregion Component
 import {Component} from '@angular/core';
 import {NgForm} from '@angular/forms';

modules/@angular/examples/forms/ts/simpleFormGroup/simple_form_group_example.ts

@@ -6,6 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+/* tslint:disable:no-console  */
 // #docregion Component
 import {Component} from '@angular/core';
 import {FormControl, FormGroup, Validators} from '@angular/forms';