[ios clean] Updates all BrowserCoordinator to the new rule

ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm

Index: ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm
diff --git a/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm b/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm
index 3be996254da49529947f51990f654133187cb452..5dfd67c65f4d6972842270367142757c0f516571 100644
--- a/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm
+++ b/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.mm
@@ -5,7 +5,6 @@
 #import "ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h"
 
 #import "ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h"
-#import "ios/shared/chrome/browser/coordinator_context/coordinator_context.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
@@ -20,9 +19,6 @@
 
 - (void)start {
   self.viewController = [[NTPViewController alloc] init];
-  [self.context.baseViewController presentViewController:self.viewController
-                                                animated:self.context.animated
-                                              completion:nil];
   [super start];
 }