[Clear Tabs] Remove scroll to Zine behavior

Apparently this behavior was only intended for experiment and not for
launch.

BUG=875867

Change-Id: Iae541d55d064123808376cb34f2336dee945517d
Reviewed-on: https://chromium-review.googlesource.com/1181179Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584543}

chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

@@ -64,7 +64,6 @@ import org.chromium.chrome.browser.omnibox.LocationBar;
 import org.chromium.chrome.browser.omnibox.UrlFocusChangeListener;
 import org.chromium.chrome.browser.partnercustomizations.HomepageManager;
 import org.chromium.chrome.browser.partnercustomizations.HomepageManager.HomepageStateListener;
-import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.search_engines.TemplateUrl;
@@ -1243,10 +1242,6 @@ public class ToolbarManager implements ToolbarTabController, UrlFocusChangeListe
         if (TextUtils.isEmpty(homePageUrl) || FeatureUtilities.isNewTabPageButtonEnabled()) {
             homePageUrl = UrlConstants.NTP_URL;
         }
-        if (TextUtils.equals(ChromePreferenceManager.getInstance().getNewTabPageButtonVariant(),
-                    ToolbarLayout.NTP_BUTTON_NEWS_FEED_VARIANT)) {
-            homePageUrl = homePageUrl + UrlConstants.CONTENT_SUGGESTIONS_SUFFIX;
-        }
         currentTab.loadUrl(new LoadUrlParams(homePageUrl, PageTransition.HOME_PAGE));
     }