Revert "Add Requires: dbus-x11"
Instead of adding a Requires, it actually added a BuildRequires. The
package already had a "Requires: dbus-x11".
It's not worth doing a new build just for this, so this will be part
of the next one we do.
This reverts commit ebf2ad9ec8b428e9174765495b6b0fe8bed84648.