Replace scp with curl to download git hooks

The scp command as-is has stopped working on newer
Linux distributions and its much easier for users
to just download it via curl.

Change-Id: Ia77f01cf108318305886854e3b78c4d47c288dd5
Signed-off-by: Amithash Prasasd <amithash@meta.com>
diff --git a/development/gerrit-setup.md b/development/gerrit-setup.md
index ad829b2..80e6dad 100644
--- a/development/gerrit-setup.md
+++ b/development/gerrit-setup.md
@@ -75,7 +75,8 @@
 
 ```
 gitdir=$(git rev-parse --git-dir)
-scp -p -P 29418 openbmc.gerrit:hooks/commit-msg ${gitdir}/hooks
+curl https://gerrit.openbmc.org/tools/hooks/commit-msg -o ${gitdir}/hooks/commit-msg
+chmod +x ${gitdir}/hooks/commit-msg
 ```
 
 This will enhance the `git commit` command to add a `Change-Id` to your commit