fix(common): use v4 plurals when importing DeprecatedI18NPipesModule (#18955)

packages/common/src/pipes/deprecated/index.ts

@@ -21,7 +21,7 @@ export {
 /**
  * A collection of deprecated i18n pipes that require intl api
  *
- * @deprecated
+ * @deprecated from v5
  */
 export const COMMON_DEPRECATED_I18N_PIPES: Provider[] =
     [DeprecatedDecimalPipe, DeprecatedPercentPipe, DeprecatedCurrencyPipe, DeprecatedDatePipe];

packages/common/src/pipes/i18n_plural_pipe.ts

@@ -6,10 +6,8 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {Inject, LOCALE_ID, Pipe, PipeTransform} from '@angular/core';
-
+import {LOCALE_ID, Pipe, PipeTransform} from '@angular/core';
 import {NgLocalization, getPluralCategory} from '../i18n/localization';
-
 import {invalidPipeArgumentError} from './invalid_pipe_argument_error';
 
 const _INTERPOLATION_REGEXP: RegExp = /#/g;