[ios] Removed deprecated JS execution API.

ios/web/web_state/ui/web_view_js_utils.h

Index: ios/web/web_state/ui/web_view_js_utils.h
diff --git a/ios/web/web_state/ui/web_view_js_utils.h b/ios/web/web_state/ui/web_view_js_utils.h
index 35d1365191059fca5cf52be063d7cf7843b115f0..22674d18102142596e0c99bfdf0faff36a6795bb 100644
--- a/ios/web/web_state/ui/web_view_js_utils.h
+++ b/ios/web/web_state/ui/web_view_js_utils.h
@@ -30,13 +30,6 @@ enum JSEvaluationErrorCode {
 // Converts result of WKWebView script evaluation to base::Value.
 std::unique_ptr<base::Value> ValueResultFromWKResult(id result);
 
-// Evaluates JavaScript on WKWebView. Provides evaluation result as a string.
-// If the web view cannot evaluate JS at the moment, |completion_handler| is
-// called with an NSError.
-void EvaluateJavaScript(WKWebView* web_view,
-                        NSString* script,
-                        JavaScriptCompletion completion_handler);
-
 // Executes JavaScript on WKWebView. If the web view cannot execute JS at the
 // moment, |completion_handler| is called with an NSError.
 void ExecuteJavaScript(WKWebView* web_view,