Unused property cleanup

core/src/mindustry/content/Blocks.java

@@ -235,7 +235,6 @@ public class Blocks implements ContentList{
         magmarock = new Floor("magmarock"){{
             attributes.set(Attribute.heat, 0.75f);
             attributes.set(Attribute.water, -0.75f);
-            updateEffect = Fx.magmasmoke;
             blendGroup = basalt;
 
             emitLight = true;

core/src/mindustry/world/blocks/environment/Floor.java

@@ -52,8 +52,6 @@ public class Floor extends Block{
     public boolean playerUnmineable = false;
     /** Group of blocks that this block does not draw edges on. */
     public Block blendGroup = this;
-    /** Effect displayed when randomly updated. */
-    public Effect updateEffect = Fx.none;
     /** Array of affinities to certain things. */
     public Attributes attributes = new Attributes();
     /** Whether this ore generates in maps by default. */