t5540-http-push: remove redundant fetches

Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t5540-http-push.sh

@@ -116,9 +116,7 @@ test_expect_success 'create and delete remote branch' '
 	test_tick &&
 	git commit -m dev &&
 	git push origin dev &&
-	git fetch &&
 	git push origin :dev &&
-	git fetch &&
 	test_must_fail git show-ref --verify refs/remotes/origin/dev
 '