test: replace shebangs with descriptions in shell libraries

diff --git a/t/lib-read-tree.sh b/t/lib-read-tree.sh
index abc2c6f57fe29d124455227a16e241c49ae40c5c..6442ae337590956bdde988ff51f596909ba8159a 100644 (file)
--- a/t/lib-read-tree.sh
+++ b/t/lib-read-tree.sh
@@ -1,5 +1,3 @@
-#!/bin/sh
-#
 # Helper functions to check if read-tree would succeed/fail as expected with
 # and without the dry-run option. They also test that the dry-run does not
 # write the index and that together with -u it doesn't touch the work tree.