[iOS] Removing Open in Incognito action from Recent Tabs Menus

Recent Tabs should not have any overlap with Incognito.

Bug: 1119377
Change-Id: Ic28d1c8ad7309e09e94478913956c8534bebe061
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2367973
Commit-Queue: Sebastien Lalancette <seblalancette@chromium.org>
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Auto-Submit: Sebastien Lalancette <seblalancette@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800375}

ios/chrome/browser/ui/recent_tabs/recent_tabs_coordinator.mm

@@ -189,10 +189,6 @@
   [self dismissRecentTabs];
 }
 
-- (void)showActiveIncognitoTabFromRecentTabs {
-  [self dismissRecentTabs];
-}
-
 - (void)showHistoryFromRecentTabs {
   // Dismiss recent tabs before presenting history.
   CommandDispatcher* dispatcher = self.browser->GetCommandDispatcher();

ios/chrome/browser/ui/recent_tabs/recent_tabs_menu_helper.mm

@@ -83,16 +83,6 @@
                                            showActiveRegularTabFromRecentTabs];
                                  }]];
 
-    ProceduralBlock incognitoCompletion = ^{
-      [strongSelf.recentTabsPresentationDelegate
-              showActiveIncognitoTabFromRecentTabs];
-    };
-    [menuElements
-        addObject:
-            [actionFactory
-                actionToOpenInNewIncognitoTabWithURL:item.URL
-                                          completion:incognitoCompletion]];
-
     if (IsMultipleScenesSupported()) {
       [menuElements
           addObject:

ios/chrome/browser/ui/recent_tabs/recent_tabs_presentation_delegate.h

@@ -20,9 +20,6 @@ class DistantSession;
 // Tells the receiver to show the tab UI for regular tabs. NO-OP if the correct
 // tab UI is already visible. Receiver may also dismiss recent tabs.
 - (void)showActiveRegularTabFromRecentTabs;
-// Tells the receiver to show the tab UI for incognito tabs. NO-OP if the
-// correct tab UI is already visible. Receiver may also dismiss recent tabs.
-- (void)showActiveIncognitoTabFromRecentTabs;
 // Tells the receiver to show the history UI. Receiver may also dismiss recent
 // tabs.
 - (void)showHistoryFromRecentTabs;

ios/chrome/browser/ui/tab_grid/tab_grid_coordinator.mm

@@ -407,12 +407,6 @@
                  focusOmnibox:NO];
 }
 
-- (void)showActiveIncognitoTabFromRecentTabs {
-  [self.delegate tabGrid:self
-      shouldFinishWithBrowser:self.incognitoBrowser
-                 focusOmnibox:NO];
-}
-
 #pragma mark - HistoryPresentationDelegate
 
 - (void)showActiveRegularTabFromHistory {