Revert "AAE-39923 Placeholder transformed with currency based on locale (#11342)" (#11370)

This reverts commit 2ebe4ccfb0.

lib/core/src/lib/form/components/widgets/amount/amount.widget.spec.ts

@@ -105,18 +105,6 @@ describe('AmountWidgetComponent', () => {
         expect(widget.placeholder).toBe('1234');
     });
 
-    it('should setup placeholder when enableDisplayBasedOnLocale is true', () => {
-        widget.enableDisplayBasedOnLocale = true;
-        widget.field = new FormFieldModel(null, {
-            readOnly: false,
-            placeholder: '1234',
-            currency: 'USD'
-        });
-
-        widget.ngOnInit();
-        expect(widget.placeholder).toBe('$1,234');
-    });
-
     it('it should return locale based on browser', () => {
         const expectedLanguage = 'en-US';
         widget.enableDisplayBasedOnLocale = true;

lib/core/src/lib/form/components/widgets/amount/amount.widget.ts

@@ -75,10 +75,7 @@ export class AmountWidgetComponent extends WidgetComponent implements OnInit {
     valueAsNumber: number;
 
     get placeholder(): string {
-        if (!this.showPlaceholder) return '';
+        return this.showPlaceholder ? this.field.placeholder : '';
-        return this.enableDisplayBasedOnLocale
-            ? this.currencyPipe.transform(this.field.placeholder, this.currency, this.currencyDisplay, this.decimalProperty, this.locale)
-            : this.field.placeholder;
     }
 
     constructor(