[PATCH 1/2] Cleanup: remove unused variable

Get rid of git.py:head_link , as it is no longer used by any part of
StGIT.

Signed-off-by: Chuck Lever <redacted>
---

 stgit/git.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/stgit/git.py b/stgit/git.py
index 9a07fa5..066a8f0 100644
--- a/stgit/git.py
+++ b/stgit/git.py

@@ -33,7 +33,6 @@ if 'GIT_DIR' in os.environ:
 else:
     base_dir = '.git'
 
-head_link = os.path.join(base_dir, 'HEAD')
 
 #
 # Classes