refactor(core): remove deprecated parameter for ErrorHandler (#18759)

BREAKING CHANGE: `ErrorHandler` no longer takes a parameter as it was not used and deprecated since v4.

PR Close #18759

packages/core/src/error_handler.ts

@@ -42,13 +42,6 @@ export class ErrorHandler {
    */
   _console: Console = console;
 
-  constructor(
-      /**
-       * @deprecated since v4.0 parameter no longer has an effect, as ErrorHandler will never
-       * rethrow.
-       */
-      deprecatedParameter?: boolean) {}
-
   handleError(error: any): void {
     const originalError = this._findOriginalError(error);
     const context = this._findContext(error);

tools/public_api_guard/core/core.d.ts

@@ -381,8 +381,6 @@ export declare function enableProdMode(): void;
 
 /** @stable */
 export declare class ErrorHandler {
-    constructor(
-        deprecatedParameter?: boolean);
     handleError(error: any): void;
 }