fixup! rebase: allow overriding the maximal length of the generated l…

…abels

Ooops. That was for debugging, not supposed to be committed.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

t/t3430-rebase-merges.sh

@@ -85,7 +85,7 @@ test_expect_success 'create completely different structure' '
 	EOF
 	test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
 	test_tick &&
-debug	git rebase -i -r A main &&
+	git rebase -i -r A main &&
 	test_cmp_graph <<-\EOF
 	*   Merge the topic branch '\''onebranch'\''
 	|\