[ios] Removed deprecated JS evaluation method from CRWNativeContent.

ios/web/public/web_state/ui/crw_native_content.h

Index: ios/web/public/web_state/ui/crw_native_content.h
diff --git a/ios/web/public/web_state/ui/crw_native_content.h b/ios/web/public/web_state/ui/crw_native_content.h
index 9da561709f6ab51df4e22c9c2c844a027bef3f4f..753656df948fc44a515ba03ea5899c6288bddc58 100644
--- a/ios/web/public/web_state/ui/crw_native_content.h
+++ b/ios/web/public/web_state/ui/crw_native_content.h
@@ -56,13 +56,6 @@
 - (void)executeJavaScript:(NSString*)script
         completionHandler:(web::JavaScriptResultBlock)handler;
 
-// Evaluates JavaScript on the native view. |handler| is called with the results
-// of the evaluation. If the native view cannot evaluate JS at the moment,
-// |handler| is called with an NSError.
-// DEPRECATED. TODO(crbug.com/595761): Remove this API.
-- (void)evaluateJavaScript:(NSString*)script
-       stringResultHandler:(web::JavaScriptCompletion)handler;
-
 // Returns |YES| if CRWNativeContent wants the keyboard shield when the keyboard
 // is up.
 - (BOOL)wantsKeyboardShield;