Fix: OS-151 Clean up OS for Modern Gamemode

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24659 ef53c05b-3124-4d59-ae7d-fe3273f42be7
Fix: OS-151 Clean up OS for Modern Gamemode

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@24660 ef53c05b-3124-4d59-ae7d-fe3273f42be7