Map new sounds (to nothing)

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_17_1to1_18/data/BackwardsMappings.java

@@ -11,7 +11,7 @@ public final class BackwardsMappings extends com.viaversion.viabackwards.api.dat
     private final Int2ObjectMap<String> blockEntities = new Int2ObjectOpenHashMap<>();
 
     public BackwardsMappings() {
-        super("1.18", "1.17", Protocol1_18To1_17_1.class);
+        super("1.18", "1.17", Protocol1_18To1_17_1.class, true);
     }
 
     @Override

common/src/main/resources/assets/viabackwards/data/mapping-1.17to1.18.json

@@ -0,0 +1,7 @@
+{
+  "sounds": {
+    "item.bundle.drop_contents": "",
+    "item.bundle.insert": "",
+    "item.bundle.remove_one": ""
+  }
+}