Revert "[iOS] Disable failing Content Suggestions test"

This reverts commit e04c9b25.

Reason for revert: It was probably failing because of the device being in landscape

Original change's description:
> [iOS] Disable failing Content Suggestions test
>
> Disables ContentSuggestionsTestCase/testReloadPage which is failing on
> iphone-device.
>
> TBR=gambard@chromium.org
>
> Bug: 1046258
> Change-Id: I8688122f2daab124b063059b6187f5fe0a7a6026
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2024888
> Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
> Commit-Queue: Javier Ernesto Flores Robles <javierrobles@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#735815}

TBR=gambard@chromium.org,javierrobles@chromium.org

Change-Id: I7508c1b2b3d983c426855b194eb075972625f7f7
Bug: 1046258
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2027412Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736326}

ios/chrome/browser/ui/content_suggestions/content_suggestions_egtest.mm

@@ -175,13 +175,6 @@ GREYElementInteraction* CellWithMatcher(id<GREYMatcher> matcher) {
 // Tests that when the page is reloaded using the tools menu, the suggestions
 // are updated.
 - (void)testReloadPage {
-// TODO(crbug.com/1046258): fix for iphone-device and reenable.
-#if !TARGET_IPHONE_SIMULATOR
-  if (![ChromeEarlGrey isIPadIdiom]) {
-    EARL_GREY_TEST_DISABLED(@"Test disabled on iPhone devices.");
-  }
-#endif
-
   // Add 2 suggestions, persisted accross page loads.
   [ContentSuggestionsAppInterface addNumberOfSuggestions:2
                                 additionalSuggestionsURL:nil];