Remove Vector4 deprecation warning

src/math/Vector4.d.ts

@@ -4,10 +4,6 @@ import { Matrix3 } from './Matrix3';
 import { BufferAttribute } from './../core/BufferAttribute';
 import { Vector } from './Vector2';
 
-/**
- * @deprecated use {@link Vector3 THREE.Vector3} instead.
- */
-
 /**
  * 4D vector.
  *