Various fixes

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -1939,14 +1939,6 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         final ForwardExtentCopy copy = new ForwardExtentCopy(EditSession.this, region, EditSession.this, to);
         copy.setCopyingEntities(copyEntities);
         copy.setCopyBiomes(copyBiomes);
-//    public int stackCuboidRegion(Region region, BlockVector3 dir, int count, boolean copyAir) throws MaxChangedBlocksException {
-//        checkNotNull(region);
-//        checkNotNull(dir);
-//        checkArgument(count >= 1, "count >= 1 required");
-//
-//        BlockVector3 size = region.getMaximumPoint().subtract(region.getMinimumPoint()).add(1, 1, 1);
-//        BlockVector3 to = region.getMinimumPoint();
-//        ForwardExtentCopy copy = new ForwardExtentCopy(this, region, this, to);
         copy.setRepetitions(count);
         copy.setTransform(new AffineTransform().translate(dir.multiply(size)));
         Mask sourceMask = getSourceMask();

worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/pattern/BlockCategoryPatternParser.java

@@ -26,6 +26,7 @@ import com.sk89q.worldedit.function.pattern.BlockPattern;
 import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.function.pattern.RandomPattern;
 import com.sk89q.worldedit.internal.registry.InputParser;
+import com.sk89q.worldedit.world.block.BlockCategories;
 import com.sk89q.worldedit.world.block.BlockCategory;
 import com.sk89q.worldedit.world.block.BlockType;
 
@@ -48,7 +49,7 @@ public class BlockCategoryPatternParser extends InputParser<Pattern> {
         if(!input.startsWith("##")) {
             return null;
         }
-        BlockCategory category = BlockCategory.REGISTRY.get(input.substring(2).toLowerCase());
+        BlockCategory category = BlockCategories.get(input.substring(2).toLowerCase());
         if (category == null) {
             throw new InputParseException("Unknown block tag: " + input.substring(2));
         }

worldedit-core/src/main/java/com/sk89q/worldedit/session/PasteBuilder.java

@@ -131,7 +131,6 @@ public class PasteBuilder {
         if (ignoreAirBlocks) {
             copy.setSourceMask(new ExistingBlockMask(clipboard));
         }
-        System.out.println("PasteBuilder info: extent: " + extent.toString() + "; copy: " + copy + "; transform: " + transform);
         return copy;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/NullBlockCategoryRegistry.java

@@ -36,9 +36,4 @@ public class NullBlockCategoryRegistry implements BlockCategoryRegistry {
     public Set<BlockType> getAll(final Category<BlockType> category) {
         return Collections.emptySet();
     }
-
-    @Override
-    public Set<String> getCategories(BlockType categorised) {
-        return Collections.emptySet();
-    }
 }

worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/NullItemCategoryRegistry.java

@@ -36,9 +36,4 @@ public class NullItemCategoryRegistry implements ItemCategoryRegistry {
     public Set<ItemType> getAll(final Category<ItemType> category) {
         return Collections.emptySet();
     }
-
-    @Override
-    public Set<String> getCategories(ItemType categorised) {
-        return Collections.emptySet();
-    }
 }