Non-overdriveable core / Spurious mod warning fix

core/src/mindustry/mod/ContentParser.java

@@ -291,6 +291,7 @@ public class ContentParser{
 
                 if(value.has("controller")){
                     unit.defaultController = supply(resolve(value.getString("controller"), FlyingAI.class));
+                    value.remove("controller");
                 }
 
                 //read extra default waves

core/src/mindustry/world/blocks/storage/CoreBlock.java

@@ -52,6 +52,7 @@ public class CoreBlock extends StorageBlock{
         loopSoundVolume = 1f;
         group = BlockGroup.none;
         drawDisabled = false;
+        canOverdrive = false;
     }
 
     @Remote(called = Loc.server)