Documentation/config: don't list date formats
Documentation/config: don't list date formats

This list is already incomplete (missing "raw") and we're about to add
new formats.  Since this option sets a default for git-log's --date
option, just refer to git-log(1).

Signed-off-by: John Keeping <a51dda7c7ff50b61eaea0444371f4a6a9301e501@keeping.me.uk>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git