remove useless translations

Signed-off-by: 21pages <pages21@163.com>

src/lang/ca.rs

@@ -557,6 +557,5 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Check for software update on startup", ""),
         ("upgrade_rustdesk_server_pro_to_{}_tip", ""),
         ("pull_group_failed_tip", ""),
-        ("No permission", ""),
     ].iter().cloned().collect();
 }