Revert "[Android] Add render test for sync promo in MainSettings"

This reverts commit 7201dc96.

Reason for revert: Failing tests https://ci.chromium.org/p/chrome/builders/ci/android-arm-official-tests/1423

Original change's description:
> [Android] Add render test for sync promo in MainSettings
>
> This cl adds a render test to check that sync promo is shown when the
> user has signed in with without sync consent.
>
> Bug: 1105800
> Change-Id: I24bb2a78f84ebf39586fbe285bc7361ecba30cc1
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2467878
> Reviewed-by: Marc Treib <treib@chromium.org>
> Commit-Queue: Tanmoy Mollik <triploblastic@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#817018}

TBR=treib@chromium.org,triploblastic@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1105800
Change-Id: I474d567a8583efe10b55068cace4ef08da257314
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2481048Reviewed-by: Sky Malice <skym@chromium.org>
Commit-Queue: Sky Malice <skym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818022}

chrome/android/javatests/src/org/chromium/chrome/browser/settings/MainSettingsFragmentTest.java

@@ -417,20 +417,6 @@ public class MainSettingsFragmentTest {
                 mMainSettings.findPreference(MainSettings.PREF_MANAGE_SYNC).isVisible());
     }
 
-    @Test
-    @LargeTest
-    @Feature({"RenderTest"})
-    @Features.EnableFeatures({ChromeFeatureList.MOBILE_IDENTITY_CONSISTENCY})
-    public void testSyncPromoView() throws Exception {
-        mSyncTestRule.setUpAccountAndSignInForTesting();
-        launchSettingsActivity();
-
-        Preference syncPromoPreference = mMainSettings.findPreference(MainSettings.PREF_SYNC_PROMO);
-        CriteriaHelper.pollUiThread(() -> syncPromoPreference.isVisible());
-        View syncPromoView = mMainSettings.getView().findViewById(R.id.signin_promo_view_container);
-        mRenderTestRule.render(syncPromoView, "main_settings_sync_promo");
-    }
-
     @Test
     @SmallTest
     public void testRemoveSettings() {