Remove /pulverize command

mods/no_pulverize/init.lua

@@ -0,0 +1,8 @@
+-- Remove /pulverize commmand because it could
+-- put player in an unfinishable state.
+-- (unless in Map Editing Mode)
+
+local map_editing = minetest.settings:get_bool("tutorial_debug_map_editing")
+if not map_editing then
+	minetest.unregister_chatcommand("pulverize")
+end