Fix WindowsError or alike when deleting video nodes

resources/lib/videonodes.py

@@ -68,9 +68,9 @@ class VideoNodes(object):
             "special://profile/library/video/Plex-%s/" % dirname)
 
         if delete:
-            files = [f for f in listdir(nodepath) if isfile(join(nodepath, f))]
-            for file in files:
-                remove(nodepath + file)
+            if exists_dir(nodepath):
+                from shutil import rmtree
+                rmtree(nodepath)
                 log.info("Sucessfully removed videonode: %s." % tagname)
             return