Instructions for changing admin level needed to be hidden from amx_who:
right now its set for ADMIN_IMMUNITY access flag "a".
change line that says #define ADMIN_HIDE 0
Flags - number
"a" - 0
"b" - 1
"c" - 2
"d" - 3
and so on...
so change #define ADMIN_HIDE to whatever coorisponds to the flag you want to then your hidden from amx_who it says you have access z.