Removed trailing spaces in the most relevant files

Command used for the job:
egrep -rl ' $' --include *.c --include *.h --include  *.s --include  *.inc --include  *.txt *  | xargs sed -i 's/\s\+$//g'

Credits to Grant Murphy from Stack Overflow.

data/contest_ai_scripts.s

@@ -48,7 +48,7 @@ gContestAI_ScriptsTable::
 	.4byte AI_Nothing           @ CONTEST_AI_DUMMY_25
 
 
-@ Unused. Encourages improving condition on the 1st appeal, or startling mons if the users turn is later 
+@ Unused. Encourages improving condition on the 1st appeal, or startling mons if the users turn is later
 AI_CheckTiming:
 	if_appeal_num_not_eq 0, AI_CheckTiming_SkipCondition
 	if_effect_not_eq CONTEST_EFFECT_IMPROVE_CONDITION_PREVENT_NERVOUSNESS, AI_CheckTiming_SkipCondition
@@ -388,7 +388,7 @@ AI_CGM_AppealAsGoodAsPrevOnes_Last:
 	score +20
 	end
 
-@ Encourages move more for each opponent who will have a turn before the user 
+@ Encourages move more for each opponent who will have a turn before the user
 AI_CGM_AppealAsGoodAsPrevOne:
 	if_user_order_eq MON_1, AI_CGM_AppealAsGoodAsPrevOne_1stUp
 	if_user_order_eq MON_2, AI_CGM_AppealAsGoodAsPrevOne_2ndUp
@@ -456,7 +456,7 @@ AI_CGM_BetterWhenAudienceExcited_Not1stUp:
 	score +10
 	end
 
-@ Encourage move more for each condition star the prev mons have 
+@ Encourage move more for each condition star the prev mons have
 AI_CGM_WorsenConditionOfPrevMons:
 	if_user_order_eq MON_1, AI_CGM_End
 	goto AI_CGM_WorsenConditionOfPrevMons_CheckMon1

data/maps/BattleFrontier_Lounge2/scripts.inc

@@ -2,7 +2,7 @@ BattleFrontier_Lounge2_MapScripts::
 	.byte 0
 
 @ This NPC gives hints about a random facility or battle mode.
-@ For battle modes he gives generic advice 
+@ For battle modes he gives generic advice
 @ For facilities, depending on how far the player has progressed he will say either
 @    The name of the Frontier Brain there
 @    The type and description of the 3 pokemon they use in their silver battle

data/maps/DewfordTown/scripts.inc

@@ -4,7 +4,7 @@
 .equ LOCALID_BRINEY_DEWFORD, 2
 .equ LOCALID_BOAT_DEWFORD, 4
 
-.equ LOCALID_BOAT_R109, 1 
+.equ LOCALID_BOAT_R109, 1
 .equ LOCALID_BRINEY_R109, 2
 
 .equ LOCALID_BOAT_R104, 7

data/maps/LilycoveCity_DepartmentStore_5F/scripts.inc

@@ -33,7 +33,7 @@ LilycoveCity_DepartmentStore_5F_Pokemart_Dolls:
 	.2byte DECOR_PIKACHU_DOLL
 	.2byte DECOR_MARILL_DOLL
 	.2byte DECOR_JIGGLYPUFF_DOLL
-	.2byte DECOR_DUSKULL_DOLL 
+	.2byte DECOR_DUSKULL_DOLL
 	.2byte DECOR_WYNAUT_DOLL
 	.2byte DECOR_BALTOY_DOLL
 	.2byte DECOR_KECLEON_DOLL

data/maps/LilycoveCity_Harbor/scripts.inc

@@ -29,7 +29,7 @@ LilycoveCity_Harbor_EventScript_FerryAttendant::
 	goto_if_eq LilycoveCity_Harbor_EventScript_AuroraTicketFirstTime
 	compare VAR_TEMP_B, 4
 	goto_if_eq LilycoveCity_Harbor_EventScript_OldSeaMapFirstTime
-	compare VAR_TEMP_B, 8 
+	compare VAR_TEMP_B, 8
 	goto_if_eq LilycoveCity_Harbor_EventScript_MysticTicketFirstTime
 	compare VAR_TEMP_B, 0
 	goto_if_ne LilycoveCity_Harbor_EventScript_MultipleEventTicketsFirstTime

data/maps/Route104/scripts.inc

@@ -1,4 +1,4 @@
-@ NOTE: Route 104's sail to Dewford script references local IDs from Dewford's map. 
+@ NOTE: Route 104's sail to Dewford script references local IDs from Dewford's map.
 @  These are labeled in DewfordTown/scripts.inc
 .set LOCALID_RIVAL, 34
 

data/maps/Route109/scripts.inc

@@ -1,4 +1,4 @@
-@ NOTE: Route 109's sail to Dewford script references local IDs from Dewford's map. 
+@ NOTE: Route 109's sail to Dewford script references local IDs from Dewford's map.
 @  These are labeled in DewfordTown/scripts.inc
 
 Route109_MapScripts::

data/maps/VictoryRoad_1F/scripts.inc

@@ -84,7 +84,7 @@ VictoryRoad_1F_EventScript_EntranceWally::
 	msgbox VictoryRoad_1F_Text_WallyPostEntranceBattle, MSGBOX_NPC
 	end
 
-@ This Wally appears and remains at the exit after the Hall of Fame is entered 
+@ This Wally appears and remains at the exit after the Hall of Fame is entered
 VictoryRoad_1F_EventScript_ExitWally::
 	trainerbattle_single TRAINER_WALLY_VR_2, VictoryRoad_1F_Text_WallyIntro, VictoryRoad_1F_Text_WallyDefeat
 	specialvar VAR_RESULT, ShouldTryRematchBattle

data/scripts/berry_blender.inc

@@ -641,7 +641,7 @@ BerryBlender_EventScript_DoLinkBerryBlending:
 	fadescreen FADE_TO_BLACK
 	removeobject 240 @ Unclear where these local IDs come from,
 	removeobject 239 @ but presumably they'd be the 4 link players
-	removeobject 238 
+	removeobject 238
 	removeobject 237
 	special DoBerryBlending
 	waitstate