[NTP] Remove the ScrollView version of the NTP.

components/ntp_snippets/features.h

Index: components/ntp_snippets/features.h
diff --git a/components/ntp_snippets/features.h b/components/ntp_snippets/features.h
index 6ae8eabbefc6127be4e5352b352213f8a6dca1e1..bf9b944e0a4c25122ef1fac6099e13ad7d5f0097 100644
--- a/components/ntp_snippets/features.h
+++ b/components/ntp_snippets/features.h
@@ -35,9 +35,10 @@ extern const base::Feature kOfflineBadgeFeature;
 // Feature to allow dismissing sections.
 extern const base::Feature kSectionDismissalFeature;
 
-// Global toggle for the whole content suggestions feature. If this is set to
-// false, all the per-provider features are ignored.
-extern const base::Feature kContentSuggestionsFeature;
+// Feature to allow specification of content suggestions source.
+// TODO(peconn): Figure out how to remove this, it is useful to specify the
+// source, but you shouldn't be able to disable it.
+extern const base::Feature kContentSuggestionsSource;
 
 // Feature to allow UI as specified here: https://crbug.com/660837.
 extern const base::Feature kIncreasedVisibility;