Revert "refactor(cdk/platform): add utility for backwards-compatible event bindings"

This reverts commit 813e85a.

Author: crisbeto

src/cdk/platform/features/backwards-compatibility.ts

@@ -13,4 +13,3 @@ export * from './features/passive-listeners';
 export * from './features/scrolling';
 export * from './features/shadow-dom';
 export * from './features/test-environment';
-export * from './features/backwards-compatibility';

src/cdk/platform/public-api.ts

@@ -5,11 +5,6 @@
 ```ts
 
 import * as i0 from '@angular/core';
-import { ListenerOptions } from '@angular/core';
-import { Renderer2 } from '@angular/core';
-
-// @public
-export function _bindEventWithOptions(renderer: Renderer2, target: EventTarget, eventName: string, callback: (event: any) => boolean | void, options: ListenerOptions): () => void;
 
 // @public
 export function _getEventTarget<T extends EventTarget>(event: Event): T | null;