bundle tests: use ">file" not ": >file"

Change uses of ":" on the LHS of a ">" to the more commonly used
">file" pattern in t/t5607-clone-bundle.sh.

Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: avar

t/t5607-clone-bundle.sh

@@ -54,14 +54,14 @@ test_expect_success 'bundle --stdin <rev-list options>' '
 '
 
 test_expect_success 'empty bundle file is rejected' '
-	: >empty-bundle &&
+	>empty-bundle &&
 	test_must_fail git fetch empty-bundle
 '
 
 # This triggers a bug in older versions where the resulting line (with
 # --pretty=oneline) was longer than a 1024-char buffer.
 test_expect_success 'ridiculously long subject in boundary' '
-	: >file4 &&
+	>file4 &&
 	test_tick &&
 	git add file4 &&
 	printf "%01200d\n" 0 | git commit -F - &&
@@ -75,7 +75,7 @@ test_expect_success 'ridiculously long subject in boundary' '
 '
 
 test_expect_success 'prerequisites with an empty commit message' '
-	: >file1 &&
+	>file1 &&
 	git add file1 &&
 	test_tick &&
 	git commit --allow-empty-message -m "" &&