Remove Action Replay master codes from game inis that contained them, since they're unnecessary.

Fixes issue 6367: https://code.google.com/p/dolphin-emu/issues/detail?id=6367

Also fixed an AR code missing an '$' symbol beside its description name in G4NJDA.ini

Data/User/GameConfig/GAUE08.ini

@@ -12,8 +12,6 @@ PH_ExtraParam = 0
 PH_ZNear = 
 PH_ZFar = 
 [ActionReplay] Add action replay cheats here.
-$Master Code
-C40EBABC 0000FF00
 $Max Total Races Played
 021B301C 0000270F
 $Low Total Play Time