Remove Mobile, Battle Tower, Mystery Gift, and Odd Egg (#1)

engine/overworld/player_step.asm

@@ -76,7 +76,6 @@ HandlePlayerStep:
 	ret
 
 .mobile
-	farcall StubbedTrainerRankings_StepCount
 	ret
 
 .fail2

engine/overworld/scripting.asm

@@ -447,8 +447,6 @@ Script__2dmenu:
 Script_battletowertext:
 	call SetUpTextbox
 	call GetScriptByte
-	ld c, a
-	farcall BattleTowerText
 	ret
 
 Script_verbosegiveitem:
@@ -2317,8 +2315,6 @@ Script_endall:
 Script_halloffame:
 	ld hl, wGameTimerPaused
 	res GAME_TIMER_PAUSED_F, [hl]
-	farcall StubbedTrainerRankings_HallOfFame
-	farcall StubbedTrainerRankings_HallOfFame2
 	farcall HallOfFame
 	ld hl, wGameTimerPaused
 	set GAME_TIMER_PAUSED_F, [hl]

engine/overworld/time.asm

@@ -256,35 +256,6 @@ _CheckLuckyNumberShowFlag:
 	ld hl, wLuckyNumberDayTimer
 	jp CheckDayDependentEventHL
 
-DoMysteryGiftIfDayHasPassed:
-	ld a, BANK(sMysteryGiftTimer)
-	call OpenSRAM
-	ld hl, sMysteryGiftTimer
-	ld a, [hli]
-	ld [wTempMysteryGiftTimer], a
-	ld a, [hl]
-	ld [wTempMysteryGiftTimer + 1], a
-	call CloseSRAM
-
-	ld hl, wTempMysteryGiftTimer
-	call CheckDayDependentEventHL
-	jr nc, .not_timed_out
-	ld hl, wTempMysteryGiftTimer
-	call InitOneDayCountdown
-	call CloseSRAM
-	farcall ResetDailyMysteryGiftLimitIfUnlocked
-
-.not_timed_out
-	ld a, BANK(sMysteryGiftTimer)
-	call OpenSRAM
-	ld hl, wTempMysteryGiftTimer
-	ld a, [hli]
-	ld [sMysteryGiftTimer], a
-	ld a, [hl]
-	ld [sMysteryGiftTimer + 1], a
-	call CloseSRAM
-	ret
-
 UpdateTimeRemaining:
 ; If the amount of time elapsed exceeds the capacity of its
 ; unit, skip this part.

engine/overworld/variables.asm

@@ -59,7 +59,6 @@ _GetVarAction::
 	dwb wXCoord,                        RETVAR_STRBUF2
 	dwb wYCoord,                        RETVAR_STRBUF2
 	dwb wSpecialPhoneCallID,            RETVAR_STRBUF2
-	dwb wNrOfBeatenBattleTowerTrainers, RETVAR_STRBUF2
 	dwb wKurtApricornQuantity,          RETVAR_STRBUF2
 	dwb wCurCaller,                     RETVAR_ADDR_DE
 	dwb wBlueCardBalance,               RETVAR_ADDR_DE