Also remove NToC and TemplateEditor images

In I0f53a68e50fc950d7f407ee81b2bf0d81ef4948d and
I47119d6cfdde4b40ff5b07be0c7d327b80598142 I forgot to remove the images
of the corresponding modules.

Change-Id: I8de59f6ce54d0cc7f67f56853386d4338c693b98
Merge "Also remove NToC and TemplateEditor images"