UI/String change - Eye of GNOME

[Lucas Rocha <lucasr gnome org>]

Hi all,

We just reverted the addition of "Dialogs" tab in the preferences
dialog as we think options in it (properties dialog layout for small
screens and file choose behavior) are most likely to be on all the
time anyway. This removes some strings for translation. The user
manual will likely be updated in the next weeks.

Cheers!

--lucasr