Remove bematech mp2100 from cat52 generation

This printer already has a MFD, and so does not need us to create the cat52
file for it. Actually, trying to create this file will cause a timeout
error, since the printer spends a few seconds compacting the MFD after the
till is closed.

Change-Id: I8874067f990ee6afe17b1a1f2841ff01bf798c67