Merge branch 'tk/sigchain-unnecessary-post-tempfile'

Remove no-longer used #include.

* tk/sigchain-unnecessary-post-tempfile:
shallow: remove unused #include "sigchain.h"
read-cache: remove unused #include "sigchain.h"
diff: remove unused #include "sigchain.h"
credential-cache--daemon: remove unused #include "sigchain.h"

diff --cc diff.c
index 835a12e84d65b3fa9d680d55b452f7d748a340b1,75ad32ae79128cff1c8d03d113f7c7c7c2266fff..80eb0c2156a0f3727f8a9598f3e83233224539b0
--- 1/diff.c
--- 2/diff.c
+++ b/diff.c
@@@ -13,8 -13,6 +13,7 @@@
  #include "run-command.h"
  #include "utf8.h"
  #include "userdiff.h"
- #include "sigchain.h"
 +#include "submodule-config.h"
  #include "submodule.h"
  #include "ll-merge.h"
  #include "string-list.h"

diff --cc read-cache.c
Simple merge

diff --cc shallow.c
Simple merge