Git: Remove debug code

Change-Id: Icf23c7c3c1c8858d281434f519accc96984cdd09
Reviewed-on: http://codereview.qt-project.org/6069
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/git/gitconstants.h

@@ -59,8 +59,6 @@ const char * const DIFF_SELECTED = "Git.DiffSelectedFilesInLog";
 const char * const SUBMIT_MIMETYPE = "application/vnd.nokia.text.git.submit";
 const char * const GIT_BINARY = "git";
 
-enum { debug = 0 };
-
 } // namespace Constants
 } // namespace Git