fix return statement

clients/cli/src/config.rs

@@ -9,7 +9,7 @@ pub fn analytics_id(_ws_addr_string: &str) -> String {
 #[cfg(debug_assertions)]
 pub fn analytics_api_key(_ws_addr_string: &str) -> String {
     // Use one of the tokens in the release version if debugging analytics
-    return "".into();
+    "".into()
 }
 
 // The following enum is used to determine the environment from the web socket string