As usual while waiting for the next release - don't forget to check the nightly builds in the forum.
Why do you want to remove it?Why don't you ask the Ubuntu developers/support, this is not related to C::B at all, so this post is not for this forum.Please read the rules to understand why!
You don't need to remove the prebuild wxWidgets for cross-compiling.Read:http://wiki.codeblocks.org/index.php?title=Cross_Compiling_wxWidgets_Applications_on_Linux