WebGLRenderer: Removed getShaderPrecisionFormat polyfill. Not sure why this is needed...

src/renderers/WebGLRenderer.js

@@ -192,21 +192,6 @@ THREE.WebGLRenderer = function ( parameters ) {
 	}
 
 	var state = new THREE.WebGLState( _gl, paramThreeToGL );
-
-	if ( _gl.getShaderPrecisionFormat === undefined ) {
-
-		_gl.getShaderPrecisionFormat = function () {
-
-			return {
-				'rangeMin': 1,
-				'rangeMax': 1,
-				'precision': 1
-			};
-
-		}
-
-	}
-
 	var properties = new THREE.WebGLProperties();
 	var objects = new THREE.WebGLObjects( _gl, properties, this.info );