Removed unused var.

examples/webgl_panorama_equirectangular.html

@@ -41,8 +41,7 @@
 
 			var camera, scene, renderer;
 
-			var texture_placeholder,
-			isUserInteracting = false,
+			var isUserInteracting = false,
 			onMouseDownMouseX = 0, onMouseDownMouseY = 0,
 			lon = 0, onMouseDownLon = 0,
 			lat = 0, onMouseDownLat = 0,