add default key binding to delete a note in the kontact overview
add default key binding to delete a note in the kontact overview

svn path=/trunk/kdepim/; revision=365919

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi