Moves term-specific code into the term and removes a method from PlayerCharacter
Moved code is "interesting" (due to throwing away associations), but we need a new formula parser to check for bad usage in data/OS

Issue#: CODE-2465


git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@23266 ef53c05b-3124-4d59-ae7d-fe3273f42be7