Removed unnecessary code

examples/js/loaders/GCodeLoader.js

@@ -38,8 +38,6 @@ THREE.GCodeLoader.prototype.parse = function ( data ) {
 
 	var currentLayer = undefined;
 
-	var box = new THREE.Box3();
-
 	var pathMaterial = new THREE.LineBasicMaterial( { color: 0xFF0000 } );
 	pathMaterial.name = 'path';
 
@@ -74,13 +72,6 @@ THREE.GCodeLoader.prototype.parse = function ( data ) {
 
 		}
 
-		if ( line.extruding ) {
-
-			box.min.set( Math.min( box.min.x, p2.x ), Math.min( box.min.y, p2.y ), Math.min( box.min.z, p2.z ) );
-			box.max.set( Math.max( box.max.x, p2.x ), Math.max( box.max.y, p2.y ), Math.max( box.max.z, p2.z ) );
-
-		}
-
 	}
 
 	function delta( v1, v2 ) {