Blimp: move Arming, Beacon and RC_Mapper into ardupilotwaf.py

these were built for all vehicles, so put them in the common list

Blimp/wscript

@@ -9,13 +9,10 @@ def build(bld):
         ap_libraries=bld.ap_common_vehicle_libraries() + [
             'AC_InputManager',
             'AP_InertialNav',
-            'AP_RCMapper',
             'AP_Avoidance',
-            'AP_Arming',
             'AP_LTM_Telem',
             'AP_Devo_Telem',
             'AP_KDECAN',
-            'AP_Beacon',
             'AP_AdvancedFailsafe', # TODO for some reason compiling GCS_Common.cpp (in libraries) fails if this isn't included.
             'AC_AttitudeControl',  # for PSCx logging
         ],