redhat/configs: Cleanup pending-common directory

Bugzilla: https://bugzilla.redhat.com/2018568

Clean up the redhat/configs/pending-common directory. CONFIGs listed in
pending-common override those of the other directories which can lead to
confusion when engineers are trying to determine if a CONFIG is enabled or
not.

There are no net changes.

This was verified by doing:

mkdir /tmp/new        
mkdir /tmp/orig        
make dist-configs        
cp redhat/configs/*.config /tmp/orig        
>>> apply this MR's changes        
make dist-configs        
cp redhat/configs/*.config /tmp.new        
diff -u /tmp/orig /tmp/new        
        
The result of this is        
        
[01:31 PM root@amd-milan-04 centos-stream-9]# diff /tmp/old /tmp/new        
[01:31 PM root@amd-milan-04 centos-stream-9]#        

Signed-off-by: Prarit Bhargava prarit@redhat.com