fix: remove context field from WebGLRenderer (#226)

Author: capnmidnight

types/three/src/renderers/WebGLRenderer.d.ts

@@ -127,11 +127,6 @@ export class WebGLRenderer implements Renderer {
      */
     domElement: HTMLCanvasElement;
 
-    /**
-     * The HTML5 Canvas's 'webgl' context obtained from the canvas where the renderer will draw.
-     */
-    context: WebGLRenderingContext;
-
     /**
      * Defines whether the renderer should automatically clear its output before rendering.
      * @default true