Removed redundant code

eco-core/core-nms/v1_16_R3/src/main/kotlin/com/willfp/eco/proxy/v1_16_R3/fast/NMSFastItemStack.kt

@@ -9,7 +9,6 @@ import org.bukkit.craftbukkit.v1_16_R3.util.CraftMagicNumbers
 import org.bukkit.craftbukkit.v1_16_R3.util.CraftNamespacedKey
 import org.bukkit.enchantments.Enchantment
 import org.bukkit.inventory.ItemFlag
-import java.lang.reflect.Field
 import kotlin.experimental.and
 
 class NMSFastItemStack(itemStack: org.bukkit.inventory.ItemStack) : EcoFastItemStack<ItemStack>(
@@ -145,11 +144,11 @@ class NMSFastItemStack(itemStack: org.bukkit.inventory.ItemStack) : EcoFastItemS
             handle.orCreateTag.setInt("HideFlags", value)
 
     override fun getRepairCost(): Int {
-        return handle.repairCost;
+        return handle.repairCost
     }
 
     override fun setRepairCost(cost: Int) {
-        handle.repairCost = cost;
+        handle.repairCost = cost
     }
 
     private fun apply() {
@@ -157,28 +156,4 @@ class NMSFastItemStack(itemStack: org.bukkit.inventory.ItemStack) : EcoFastItemS
             bukkit.itemMeta = CraftItemStack.asCraftMirror(handle).itemMeta
         }
     }
-
-    companion object {
-        private var field: Field
-
-        init {
-            lateinit var temp: Field
-            try {
-                val handleField = CraftItemStack::class.java.getDeclaredField("handle")
-                handleField.isAccessible = true
-                temp = handleField
-            } catch (e: ReflectiveOperationException) {
-                e.printStackTrace()
-            }
-            field = temp
-        }
-
-        fun getNMSStack(itemStack: org.bukkit.inventory.ItemStack): ItemStack? {
-            return if (itemStack !is CraftItemStack) {
-                CraftItemStack.asNMSCopy(itemStack)
-            } else {
-                field.get(itemStack) as ItemStack
-            }
-        }
-    }
 }

eco-core/core-nms/v1_17_R1/src/main/kotlin/com/willfp/eco/proxy/v1_17_R1/fast/NMSFastItemStack.kt

@@ -164,11 +164,11 @@ class NMSFastItemStack(itemStack: org.bukkit.inventory.ItemStack) : EcoFastItemS
             handle.orCreateTag.putInt("HideFlags", value)
 
     override fun getRepairCost(): Int {
-        return handle.baseRepairCost;
+        return handle.baseRepairCost
     }
 
     override fun setRepairCost(cost: Int) {
-        handle.setRepairCost(cost);
+        handle.setRepairCost(cost)
     }
 
     private fun apply() {