Revert "Prevent filling up the inventory with tools."

This reverts commit a819b41782de9960acec6728a6235ee7c8450a8c.

Replaced with stackable player tools.

mods/nodes/init.lua

@@ -1440,13 +1440,7 @@ for _, names in ipairs({
 					itemstack:add_item(name)
 					return itemstack
 				end
-				local inv = clicker:get_inventory()
-				-- prevent stacking of tools, but not nexus blocks.
-				if name == "boxes:nexus" then
-					inv:add_item("main", name)
-				elseif not inv:contains_item("main", name) then
-					inv:add_item("main", name)
-				end
+				clicker:get_inventory():add_item("main", name)
 			end
 			return itemstack
 		end,