Inherit settings from region-free INIs to region-specific INIs

Having settings for each game in more than one file is redundant.
Now, region-free INIs are now only for settings, and region-specific
INIs are only for AR codes and patches. Exceptions are made for
titles that share the first three characters of their IDs with
unrelated titles (mostly unlicensed titles and Triforce titles).

Data/Sys/GameSettings/GK4E01.ini

@@ -1,13 +1,5 @@
 # GK4E01 - Baten Kaitos Origins
 
-[Core]
-# Values set here will override the main Dolphin settings.
-
-[EmuState]
-# The Emulation State. 1 is worst, 5 is best, 0 is not set.
-EmulationStateId = 4
-EmulationIssues =
-
 [OnLoad]
 # Add memory patches to be loaded once on boot here.
 
@@ -55,19 +47,3 @@ $MILLIARDE Infinite HP In Battle
 $MILLIARDE Quick Level Up
 0768EA6B 08000000
 042D55E0 000F423F
-
-[Video]
-ProjectionHack = 0
-PH_SZNear = 0
-PH_SZFar = 0
-PH_ExtraParam = 0
-PH_ZNear =
-PH_ZFar =
-
-[Video_Settings]
-UseXFB = True
-UseRealXFB = False
-
-[Video_Hacks]
-EFBToTextureEnable = False
-