gitolite: Update to 3.6.8

Update to newest release.  We also drop a now unnecesary patch.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

net/gitolite/patches/100-fix-missing-hooks-dir.patch

@@ -1,27 +0,0 @@
-From d0409ae1164030913801d37ce5425ed93529c69d Mon Sep 17 00:00:00 2001
-From: Daniel Dickinson <gitolite@daniel.thecshore.com>
-Date: Fri, 1 Jul 2016 00:37:23 -0400
-Subject: [PATCH] Conf::Store: Fix missing hooks dir for symlink
-
-At least when doing 'gitolite setup -pk user.pub', the
-symlinking of hooks fails because the hooks directory
-does not exist.  Make sure we create it if it's missing.
----
- src/lib/Gitolite/Conf/Store.pm | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/src/lib/Gitolite/Conf/Store.pm b/src/lib/Gitolite/Conf/Store.pm
-index 5568b3f..aac90d4 100644
---- a/src/lib/Gitolite/Conf/Store.pm
-+++ b/src/lib/Gitolite/Conf/Store.pm
-@@ -363,6 +363,7 @@ sub store_common {
-             chmod 0755, "$rc{GL_ADMIN_BASE}/hooks/gitolite-admin/post-update";
-             $hook_reset++;
-         }
-+	_mkdir("$repo.git/hooks");
- 
-         # propagate user-defined (custom) hooks to all repos
-         ln_sf( "$rc{LOCAL_CODE}/hooks/common", "*", "$repo.git/hooks" ) if $rc{LOCAL_CODE};
--- 
-2.7.4
-