fix(examples): make them work with noImplicitAny and declarations:true

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

@@ -15,10 +15,10 @@ import {FormControl, FormGroup, Validators} from '@angular/forms';
   template: `
     <form [formGroup]="form" (ngSubmit)="onSubmit()">
       <div *ngIf="first.invalid"> Name is too short. </div>
-      
+
       <input formControlName="first" placeholder="First name">
       <input formControlName="last" placeholder="Last name">
-      
+
       <button type="submit">Submit</button>
    </form>
    <button (click)="setValue()">Set preset value</button>
@@ -30,7 +30,7 @@ export class SimpleFormGroup {
     last: new FormControl('Drew'),
   });
 
-  get first() { return this.form.get('first'); }
+  get first(): any { return this.form.get('first'); }
 
   onSubmit(): void {
     console.log(this.form.value);  // {first: 'Nancy', last: 'Drew'}