[ghex] Remove .gitignore from source control

[Kalev Lember <klember src gnome org>]

commit 4bc6b189c75727aca6c0cc846be486eaaf601f3f
Author: Kalev Lember <kalevlember gmail com>
Date:   Mon Apr 9 12:10:05 2012 +0300

    Remove .gitignore from source control
    
    We have git.mk generating .gitignore; keeping it under version control
    will only cause trouble when the generated file changes.

 .gitignore |   51 ---------------------------------------------------
 1 files changed, 0 insertions(+), 51 deletions(-)