Bulk remove inheritDoc.

Change-Id: I06a0f4ced5eb0c8281e52a38b37a27779c5d571b
Reviewed-on: http://gerrit.dmdirc.com/3273
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Update submodules: plugins (new commits)

plugins:
    b7dbb5d Chris Smith <chris@dmdirc.com>
            Bulk remove inheritDoc.

            Gerrit: http://gerrit.dmdirc.com/3274

Change-Id: I818d096b9dec9756acd3b79a03ce354397d94637