ANSI_MAP: Fix unused function (by add to .OMIT list)

Change-Id: I4e2278d563659db6acc6c02b9e66d58c67939e30
warning: unused function 'dissect_ansi_map_InvokeData' [-Wunused-function]
warning: unused function 'dissect_ansi_map_ReturnData' [-Wunused-function]
Reviewed-on: https://code.wireshark.org/review/5976
Reviewed-by: Evan Huus <eapache@gmail.com>
ANSI MAP: Remove from Dirty ASN1 list

Change-Id: I192c447919ee9c3f430f058c2e5285501af962bf
Reviewed-on: https://code.wireshark.org/review/5977
Reviewed-by: Evan Huus <eapache@gmail.com>