Merge branch 'jc/gpg-lazy-init'

Instead of forcing each command to choose to honor GPG related
configuration variables, make the subsystem lazily initialize
itself.

* jc/gpg-lazy-init:
  drop pure pass-through config callbacks
  gpg-interface: lazily initialize and read the configuration

builtin/log.c

@@ -603,8 +603,6 @@ static int git_log_config(const char *var, const char *value, void *cb)
 		return 0;
 	}
 
-	if (git_gpg_config(var, value, cb) < 0)
-		return -1;
 	return git_diff_ui_config(var, value, cb);
 }