gplugin/gplugin

Remove the fedora 30 build and add fedora 33 and ubuntu groovy builds

Testing Done:
Built the images locally and tested the build against them that way.

Reviewed at https://reviews.imfreedom.org/r/107/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "gplugin/gplugin"
REPOSITORY_TYPE = "mercurial"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False