remove panics from desktop docs

`WebView::evaluate_script()` always returns `Ok()`

packages/desktop/src/desktop_context.rs

@@ -195,17 +195,11 @@ pub(super) fn handler(
 
         Eval(code) => webview
             .evaluate_script(code.as_str())
-            .expect("failed to eval script"),
+            .expect("eval shouldn't panic"),
     }
 }
 
 /// Get a closure that executes any JavaScript in the WebView context.
-///
-/// # Panics
-///
-/// The closure will cause the message processing thread to panic if the
-/// provided script is not valid JavaScript code or if it returns an uncaught
-/// error.
 pub fn use_eval<S: std::string::ToString>(cx: &ScopeState) -> impl Fn(S) + '_ {
     let desktop = use_window(&cx);