Refactor and cleanup unused imports, add final modifiers to constants, and improve immutability

Author: Ale32bit

common/src/main/java/me/alexdevs/classicPeripherals/core/StateSaverAndLoader.java

@@ -16,13 +16,13 @@
 
 public class StateSaverAndLoader extends SavedData {
 
-    private static SavedData.Factory<StateSaverAndLoader> type = new SavedData.Factory<>(
+    private static final SavedData.Factory<StateSaverAndLoader> type = new SavedData.Factory<>(
             StateSaverAndLoader::createNew,
             StateSaverAndLoader::loadData,
             null
     );
 
-    private Map<UUID, DataHolderHandler.ItemData> data = new ConcurrentHashMap<>();
+    private final Map<UUID, DataHolderHandler.ItemData> data = new ConcurrentHashMap<>();
 
     public static StateSaverAndLoader loadData(CompoundTag nbt, HolderLookup.Provider registryLookup) {
         var state = new StateSaverAndLoader();

common/src/main/java/me/alexdevs/classicPeripherals/datagen/generators/TurtleUpgradeGenerator.java

@@ -1,6 +1,5 @@
 package me.alexdevs.classicPeripherals.datagen.generators;
 
-import dan200.computercraft.api.pocket.IPocketUpgrade;
 import dan200.computercraft.api.turtle.ITurtleUpgrade;
 import me.alexdevs.classicPeripherals.ClassicPeripherals;
 import me.alexdevs.classicPeripherals.ModRegistry;

common/src/main/java/me/alexdevs/classicPeripherals/peripherals/rfid/RfidScannerBlockEntity.java

@@ -1,26 +1,14 @@
 package me.alexdevs.classicPeripherals.peripherals.rfid;
 
-import me.alexdevs.classicPeripherals.ClassicPeripherals;
 import me.alexdevs.classicPeripherals.ModRegistry;
-import me.alexdevs.classicPeripherals.core.dataHolder.DataHolderHandler;
-import me.alexdevs.classicPeripherals.mixinInterface.ILivingEntityMixin;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
-import net.minecraft.data.recipes.SpecialRecipeBuilder;
-import net.minecraft.server.level.ServerPlayer;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.item.ItemEntity;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.DirectionalBlock;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.phys.AABB;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class RfidScannerBlockEntity extends BlockEntity {
 
     protected final RfidScannerPeripheral peripheral = new RfidScannerPeripheral(this);