AJCC T Descriptor Code Cleanup

ajcc6_t ajcc6_tdescriptor ajcc6_tdescriptor stor_ajcc6_tdescriptor Description
<Any value> ERROR <BLANK> <BLANK> If T Descriptor is an error, both should be set to blank
NA <Any value> <BLANK> N For T values of NA
<BLANK> <Any value> <BLANK> <BLANK> For missing T values caused by an ERROR in extension
<Any value> <Any value> MATCH MATCH For all other cases, leave codes as they are