chore(autocomplete): removed un-used "this" from html bindings (#3278)

Author: dharmeshpipariya

src/demo-app/autocomplete/autocomplete-demo.html

@@ -26,7 +26,7 @@
 
     <md-input-container>
       <input mdInput placeholder="State" [mdAutocomplete]="tdAuto" [(ngModel)]="currentState" #modelDir="ngModel"
-        (ngModelChange)="this.tdStates = filterStates(currentState)" [disabled]="tdDisabled">
+        (ngModelChange)="tdStates = filterStates(currentState)" [disabled]="tdDisabled">
     </md-input-container>
 
     <md-card-actions>