Some comment cleanups

core/src/mindustry/content/Blocks.java

@@ -1874,7 +1874,6 @@ public class Blocks{
 
         duct = new Duct("duct"){{
             requirements(Category.distribution, with(Items.beryllium, 1));
-            //TODO bad idea? should this just require 1 beryllium?
             health = 90;
             speed = 4f;
             fogRadius = 1;
@@ -1891,7 +1890,6 @@ public class Blocks{
         }};
 
         overflowDuct = new OverflowDuct("overflow-duct"){{
-            //TODO should it use beryllium?
             requirements(Category.distribution, with(Items.graphite, 8, Items.beryllium, 8));
             health = 90;
             speed = 4f;

core/src/mindustry/content/SerpuloTechTree.java

@@ -166,12 +166,7 @@ public class SerpuloTechTree{
                             });
                         });
 
-                        node(message, () -> {
-
-                        });
-
                         //logic disabled until further notice
-                        /*
                         node(microProcessor, () -> {
                             node(switchBlock, () -> {
                                 node(message, () -> {
@@ -194,7 +189,7 @@ public class SerpuloTechTree{
                                     });
                                 });
                             });
-                        });*/
+                        });
 
                         node(illuminator, () -> {