[evolution] Remove some obsolete documentation.

[Matthew Barnes <mbarnes src gnome org>]

commit a84e08b2faa1dfc2cd3c3214ec236e76c2cf4acf
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Aug 25 07:24:49 2012 -0400

    Remove some obsolete documentation.
    
    These date back to Evolution 1.x era or perhaps earlier.

 doc/Camel-Classes |   65 -----------------
 doc/Design        |  201 -----------------------------------------------------
 doc/Keybindings   |   13 ----
 doc/NAMESPACE     |   65 -----------------
 4 files changed, 0 insertions(+), 344 deletions(-)