fix(package): added dual binding for the placeholder and removed html content from inputs

Author: AnthonyNahas

src/module/component/mat-google-maps-autocomplete.component.html

@@ -3,7 +3,7 @@
   <input matInput
          [(ngModel)]="address"
          (change)="onQuery($event)"
-         placeholder="placeholderText"
+         placeholder="{{placeholderText}}"
          class="form-control"
          #search
          MatValidateAddress

src/module/component/mat-google-maps-autocomplete.component.ts

@@ -34,10 +34,10 @@ export class MatGoogleMapsAutocompleteComponent implements OnInit {
   placeholderText = 'Please enter the address';
 
   @Input()
-  requiredErrorText = 'The address is <strong>required</strong>';
+  requiredErrorText = 'The address is required';
 
   @Input()
-  invalidErrorText = 'The address is <strong>not valid</strong>';
+  invalidErrorText = 'The address is not valid';
 
   @Input()
   appearance: string | Appearance = Appearance.STANDARD;