[TYPO3] hide or disable "Disable Rich Text Editor" checkbox

[Tapio Markula]

Jill E
> However, there is still a Disable Rich Text Editor (RTE) checkbox at
> the bottom of each content element (beneath "Show secondary options
> (palettes) and Show field descriptions) that I would like to
> disable/hide.
> 
> I want to hide this checkbox to prevent users from inserting their own
> HTML code by hand not using the RTE. Is there an easy way to do this?
> Or is there something I can do that will make the code be transformed
> using the RTE rules even when the RTE is disabled?

I added disabling that into tm_contentaccess because there is not 
default setting for that. In fact it is currently in tm_shared_lib but 
that plugin doesn't do that as stand-alone.