Hey @Delano_Scott!
It looks like you were able to get in contact with the support team about this but just in case anyone else runs into a similar issue:
You should be able to get rid of the "Debug Render Mode" text by appending &:jsdebug=n to the end of your Tableau URL as per this thread. The dev team will look into making this more streamlined and we can report back here if they do!