remove_phase2_altsubject_match_by_value
Description:
Removes the allowed "phase 2" altSubjectName phase2_altsubject_match.
Parameters:
| this | the Setting8021x | 
| phase2_altsubject_match | the "phase 2" altSubjectName to remove | 
Returns:
| true if the alternative subject name match for "phase 2" was found and removed, false if it was not. |