Merge branch 'pt/pull-tags-error-diag' into maint

There was a dead code that used to handle "git pull --tags" and
show special-cased error message, which was made irrelevant when
the semantics of the option changed back in Git 1.9 days.

* pt/pull-tags-error-diag:
  pull: remove --tags error in no merge candidates case

Author: gitster

git-pull.sh

@@ -193,15 +193,6 @@ esac
 
 error_on_no_merge_candidates () {
 	exec >&2
-	for opt
-	do
-		case "$opt" in
-		-t|--t|--ta|--tag|--tags)
-			echo "It doesn't make sense to pull all tags; you probably meant:"
-			echo "  git fetch --tags"
-			exit 1
-		esac
-	done
 
 	if test true = "$rebase"
 	then