Update examples/objective-c/CAPViewController.m

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Fran Aguilera <fran.aguilera12@gmail.com>

Author: FranAguilera

examples/objective-c/CAPViewController.m

@@ -355,7 +355,6 @@ - (void)saveConfiguration {
 
     [[NSUserDefaults standardUserDefaults] setObject:apiKey forKey:kSavedCaptureAPIKeyKey];
     [[NSUserDefaults standardUserDefaults] setObject:apiURLString forKey:kSavedCaptureURLKey];
-    [[NSUserDefaults standardUserDefaults] synchronize];
 
      UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Saved"
                                                                     message:@"Restart the app to apply the new settings."