As it turns out, gpgme works perfectly fine w/o glib (though it
really wants it configured out of the box)

This reverts commit daee5fc5.

Change-Id: I60002bf3b524696eeae397a26c280a67dcdbfd7a
Reviewed-on: https://gerrit.libreoffice.org/45908Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>