git: update error message for SSH error to stop referencing libssh2

cli/src/commands/git.rs

@@ -275,8 +275,7 @@ fn map_git_error(err: git2::Error) -> CommandError {
                  successfully load certificates. Try setting it to the path of a directory that \
                  contains a `.ssh` directory."
             } else {
-                "Jujutsu uses libssh2, which doesn't respect ~/.ssh/config. Does `ssh -F \
-                 /dev/null` to the host work?"
+                "There was an error creating an SSH connection. Are you able to SSH to the host?"
             };
 
         user_error_with_hint(err, hint)