difftool: Fix '--gui' when diff.guitool is unconfigured

diff --git a/t/t1001-read-tree-m-2way.sh b/t/t1001-read-tree-m-2way.sh
index c2d408b46120ef9d962272b652a68a83ba0852a5..6327d205cb89b00e77502031e3b56b4b895cc32d 100755 (executable)
--- a/t/t1001-read-tree-m-2way.sh
+++ b/t/t1001-read-tree-m-2way.sh
@@ -26,8 +26,6 @@ read_tree_twoway () {
     git read-tree -m "$1" "$2" && git ls-files --stage
 }
 
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
 compare_change () {
        sed -n >current \
            -e '/^--- /d; /^+++ /d; /^@@ /d;' \