Removed redundant init code in tapWebStateElementWithID.

Bug: 922813
Change-Id: I537f9c4607183af381d7a92eb2942cbd18ea5fba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1638060Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Maksym Onufriienko <monufriienko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#665254}

ios/chrome/test/earl_grey/chrome_earl_grey_app_interface.mm

@@ -170,12 +170,9 @@ using chrome_test_util::BrowserCommandDispatcherForMainBVC;
 }
 
 + (BOOL)tapWebStateElementWithID:(NSString*)elementID error:(NSError*)error {
-  NSError* __autoreleasing autoreleasingError = nil;
-  bool success = web::test::TapWebViewElementWithId(
+  return web::test::TapWebViewElementWithId(
       chrome_test_util::GetCurrentWebState(),
-      base::SysNSStringToUTF8(elementID), &autoreleasingError);
-  error = autoreleasingError;
-  return success;
+      base::SysNSStringToUTF8(elementID), &error);
 }
 
 + (NSError*)waitForWebStateContainingElement:(ElementSelector*)selector {