Revert "6.0 release"

This reverts commit a0aea8f030.

Data/Scripts/012_Overworld/002_Battle triggering/001_Overworld_BattleStarting.rb

@@ -174,13 +174,11 @@ def pbPrepareBattle(battle)
     back = getBattleBackgroundFromMetadata(GameData::MapMetadata.get($game_map.map_id))
     backdrop = back if back && back != ""
   end
-
   if !backdrop
     isOutdoor = GameData::MapMetadata.get($game_map.map_id).outdoor_map rescue false
     backdrop = "indoorA" if !isOutdoor
     backdrop = "Field" if isOutdoor
   end
-
   battle.backdrop = backdrop
   # Choose a name for bases depending on environment
   if battleRules["base"].nil?

Data/Scripts/012_Overworld/002_Battle triggering/004_Overworld_EncounterModifiers.rb

@@ -39,12 +39,3 @@ Events.onWildPokemonCreate += proc { |_sender, e|
 #    YOUR CODE HERE
 #  end
 #}
-
-
-#NECROZMA BATTLE
-Events.onWildPokemonCreate += proc { |_sender, e|
-  pokemon = e[0]
-  if $game_switches[SWITCH_KANTO_DARKNESS_STAGE_4] && pokemon.species == :NECROZMA
-    pokemon.item = :NECROZIUM
-  end
-}