Empty File Nodes Validation

>>> [ERROR] Empty file nodes check - FAIL.
  > File node "file1" is missing a texture input.
  > Make sure that all "file" and "aiImage" nodes have textures loaded.

Make sure that all "file/aiImage" nodes have textures loaded into them.

An automatic fix is available! Simply click on the icon and the script will delete all image nodes containing no textures.