remove nms base sub module

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/packet/PacketManagerBase.kt

@@ -0,0 +1,15 @@
+package xyz.alexcrea.cuanvil.dependency.packet
+
+import org.bukkit.entity.Player
+
+open class PacketManagerBase {
+
+    open val canSetInstantBuild: Boolean
+        get() = false
+
+    open fun setInstantBuild(player: Player, instantBuild: Boolean) {
+        // Default implementation is empty.
+    }
+
+
+}