Applied suggestions for PR

Co-authored-by: Nassim <jahnke.nassim@gmail.com>

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9to1_8/metadata/MetadataRewriter1_9To1_8.java

@@ -112,16 +112,8 @@ public class MetadataRewriter1_9To1_8 extends MetadataRewriter {
                 metadata.setValue(value);
                 break;
             case BlockID:
-                // convert from int, short, byte
+                // Convert from int, short, byte
-                if (metaIndex.getOldType() == MetaType1_8.Byte) {
+                metadata.setValue(((Number) value).intValue());
-                    metadata.setValue(((Byte) value).intValue());
-                }
-                if (metaIndex.getOldType() == MetaType1_8.Short) {
-                    metadata.setValue(((Short) value).intValue());
-                }
-                if (metaIndex.getOldType() == MetaType1_8.Int) {
-                    metadata.setValue(value);
-                }
                 break;
             default:
                 metadatas.remove(metadata);