Consolidate the duplicate stat level data files

data/battle/stat_multipliers.asm

@@ -1,10 +1,10 @@
 ; Multiplier ratios for all stats from modifier -6 to +6
 ; (except accuracy, see data/battle/accuracy_multipliers.asm).
 
-; This table is identical to data/battle/stat_multipliers_2.asm.
-; This one is used by CalcBattleStats.
+; This table is INCLUDEd twice in different ROM banks:
+; once for CalcBattleStats (see engine/battle/effect_commands.asm),
+; and once for ApplyStatLevelMultiplier (see engine/battle/core.asm).
 
-StatLevelMultipliers:
 	db  25, 100 ; -6 =  25%
 	db  28, 100 ; -5 =  28%
 	db  33, 100 ; -4 =  33%

data/battle/stat_multipliers_2.asm

@@ -1,20 +0,0 @@
-; Multiplier ratios for all stats from modifier -6 to +6
-; (except accuracy, see data/battle/accuracy_multipliers.asm).
-
-; This table is identical to data/battle/stat_multipliers.asm.
-; This one is used by ApplyStatLevelMultiplier.
-
-StatLevelMultipliers_Applied:
-	db  25, 100 ; -6 =  25%
-	db  28, 100 ; -5 =  28%
-	db  33, 100 ; -4 =  33%
-	db  40, 100 ; -3 =  40%
-	db  50, 100 ; -2 =  50%
-	db  66, 100 ; -1 =  66%
-	db   1,   1 ;  0 = 100%
-	db  15,  10 ; +1 = 150%
-	db   2,   1 ; +2 = 200%
-	db  25,  10 ; +3 = 250%
-	db   3,   1 ; +4 = 300%
-	db  35,  10 ; +5 = 350%
-	db   4,   1 ; +6 = 400%

engine/battle/core.asm

@@ -6756,7 +6756,8 @@ ApplyStatLevelMultiplier:
 	pop bc
 	ret
 
-INCLUDE "data/battle/stat_multipliers_2.asm"
+StatLevelMultipliers_Applied:
+INCLUDE "data/battle/stat_multipliers.asm"
 
 BadgeStatBoosts:
 ; Raise the stats of the battle mon in wBattleMon

engine/battle/effect_commands.asm

@@ -4622,6 +4622,7 @@ GetStatName:
 
 INCLUDE "data/battle/stat_names.asm"
 
+StatLevelMultipliers:
 INCLUDE "data/battle/stat_multipliers.asm"
 
 BattleCommand_AllStatsUp: