moved compare to implementation

Author: Faithcaio

src/main/java/org/spongepowered/api/MinecraftVersion.java

@@ -73,12 +73,4 @@ public interface MinecraftVersion extends Comparable<MinecraftVersion> {
      */
     OptionalInt dataVersion();
 
-    @Override
-    default int compareTo(MinecraftVersion o) {
-        final int result = Boolean.compare(this.isLegacy(), o.isLegacy());
-        if (result != 0) {
-            return result;
-        }
-        return this.protocolVersion() - o.protocolVersion();
-    }
 }