Merge pull request #18275 from Mugen87/dev32

Clean up imports.

src/math/Matrix3.d.ts

@@ -1,5 +1,4 @@
 import { Matrix4 } from './Matrix4';
-import { BufferAttribute } from './../core/BufferAttribute';
 import { Vector3 } from './Vector3';
 
 /**

src/math/Matrix3.js

@@ -1,5 +1,3 @@
-import { Vector3 } from './Vector3.js';
-
 /**
  * @author alteredq / http://alteredqualia.com/
  * @author WestLangley / http://github.com/WestLangley
@@ -7,8 +5,6 @@ import { Vector3 } from './Vector3.js';
  * @author tschw
  */
 
-var _vector = new Vector3();
-
 function Matrix3() {
 
 	this.elements = [

src/math/Matrix4.d.ts

@@ -1,7 +1,6 @@
 import { Vector3 } from './Vector3';
 import { Euler } from './Euler';
 import { Quaternion } from './Quaternion';
-import { BufferAttribute } from './../core/BufferAttribute';
 import { Matrix } from './Matrix3';
 /**
  * A 4x4 Matrix.

src/textures/Texture.d.ts

@@ -1,4 +1,4 @@
-import { Vector2, Vector } from './../math/Vector2';
+import { Vector2 } from './../math/Vector2';
 import { EventDispatcher } from './../core/EventDispatcher';
 import {
 	Mapping,