Forgot to remove extra player variable from `AbilityManager`

src/main/java/emu/grasscutter/game/ability/AbilityManager.java

 package emu.grasscutter.game.ability;
 
-import java.util.*;
-import java.util.Optional;
-import java.util.Map.Entry;
-
 import com.google.protobuf.InvalidProtocolBufferException;
 
-import emu.grasscutter.Grasscutter;
-
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.binout.AbilityModifierEntry;
 import emu.grasscutter.data.binout.AbilityModifier.AbilityModifierAction;
-import emu.grasscutter.data.excels.AvatarSkillDepotData;
-import emu.grasscutter.data.excels.ItemData;
-import emu.grasscutter.game.avatar.Avatar;
-import emu.grasscutter.game.entity.EntityAvatar;
-import emu.grasscutter.game.entity.EntityClientGadget;
 import emu.grasscutter.game.entity.EntityGadget;
-import emu.grasscutter.game.entity.EntityItem;
 import emu.grasscutter.game.entity.GameEntity;
 import emu.grasscutter.game.entity.gadget.GadgetGatherObject;
-import emu.grasscutter.game.entity.gadget.GadgetGatherPoint;
 import emu.grasscutter.game.player.BasePlayerManager;
 import emu.grasscutter.game.player.Player;
-import emu.grasscutter.game.props.ElementType;
-import emu.grasscutter.net.proto.AbilityActionGenerateElemBallOuterClass.AbilityActionGenerateElemBall;
 import emu.grasscutter.net.proto.AbilityInvokeEntryHeadOuterClass.AbilityInvokeEntryHead;
 import emu.grasscutter.net.proto.AbilityInvokeEntryOuterClass.AbilityInvokeEntry;
 import emu.grasscutter.net.proto.AbilityMetaModifierChangeOuterClass.AbilityMetaModifierChange;
@@ -32,12 +17,8 @@ import emu.grasscutter.net.proto.AbilityMetaReInitOverrideMapOuterClass.AbilityM
 import emu.grasscutter.net.proto.AbilityMixinCostStaminaOuterClass.AbilityMixinCostStamina;
 import emu.grasscutter.net.proto.AbilityScalarValueEntryOuterClass.AbilityScalarValueEntry;
 import emu.grasscutter.net.proto.ModifierActionOuterClass.ModifierAction;
-import emu.grasscutter.utils.Position;
-import emu.grasscutter.utils.Utils;
-import emu.grasscutter.game.props.FightProperty;
 
 public class AbilityManager extends BasePlayerManager {
-	private Player player;
     HealAbilityManager healAbilityManager;
 	
 	public AbilityManager(Player player) {