tree-diff: remove special-case diff-emitting code for empty-tree cases

diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 9dc91d09d7ef3c66c39bcf930bb486312cf291af..24ddd8a704b22e32322b8ef52bbd0d2e6195e5e1 100755 (executable)
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -2,7 +2,6 @@
 
 test_description='add -i basic tests'
 . ./test-lib.sh
-. "$TEST_DIRECTORY"/lib-prereq-FILEMODE.sh
 
 if ! test_have_prereq PERL
 then