Enable NTPSuggestionsSectionDismissal by default.

components/ntp_snippets/features.cc

Index: components/ntp_snippets/features.cc
diff --git a/components/ntp_snippets/features.cc b/components/ntp_snippets/features.cc
index 16ea35fb72137ae777c4f7ff312ddbe3b5298171..b499f0e81b680255b727c28c56a13189dad303ce 100644
--- a/components/ntp_snippets/features.cc
+++ b/components/ntp_snippets/features.cc
@@ -31,7 +31,7 @@ const base::Feature kContentSuggestionsFeature{
     "NTPSnippets", base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kSectionDismissalFeature{
-    "NTPSuggestionsSectionDismissal", base::FEATURE_DISABLED_BY_DEFAULT};
+    "NTPSuggestionsSectionDismissal", base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kForeignSessionsSuggestionsFeature{
     "NTPForeignSessionsSuggestions", base::FEATURE_DISABLED_BY_DEFAULT};