kola/devshell: remove extraneous IdentityFile=/dev/null
It's not clear why this option was added. It was part of a larger
rewrite of the devshell code (4cf63a5f). I don't think we need it, so
let's remove it.
@@ -498,7 +498,6 @@ func (sc *sshClient) start() {
"-i", sc.privKey,
"-o", "StrictHostKeyChecking=no",
"-o", "CheckHostIP=no",
- "-o", "IdentityFile=/dev/null",
"-p", sc.port,
fmt.Sprintf("%s@%s", sc.user, sc.host),
}
