Fix: DATA-1986
UE Katana does not match UC Katana
Cleans up the Katana for those two sets to be uniform for the PRExxx system
This also removes the extra (Exotic) proficiency entries that were confusing; and corrects the Tengu that was using that association

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24974 ef53c05b-3124-4d59-ae7d-fe3273f42be7