Remove unnecessary EventDispatcher methods definitions from Geometry.d.ts

src/core/Geometry.d.ts

 import { Vector3 } from './../math/Vector3';
 import { Color } from './../math/Color';
-import { Face3, Event } from './Face3';
+import { Face3 } from './Face3';
 import { Vector2 } from './../math/Vector2';
 import { Vector4 } from './../math/Vector4';
 import { Box3 } from './../math/Box3';
@@ -252,10 +252,4 @@ export class Geometry extends EventDispatcher {
 	animation: AnimationClip;
 	animations: AnimationClip[];
 
-	// EventDispatcher mixins
-	addEventListener( type: string, listener: ( event: Event ) => void ): void;
-	hasEventListener( type: string, listener: ( event: Event ) => void ): boolean;
-	removeEventListener( type: string, listener: ( event: Event ) => void ): void;
-	dispatchEvent( event: { type: string; [attachment: string]: any } ): void;
-
 }