PERF: Reduce number of queries and size of payload when searching.

1. Remove `cooked` becaused only the blurb is used on the client side to
display search results.
2. Remove `ignored` because the result is not used in anyway when
searching for pots.

app/serializers/search_post_serializer.rb

@@ -6,4 +6,12 @@ class SearchPostSerializer < BasicPostSerializer
   def blurb
     options[:result].blurb(object)
   end
+
+  def include_cooked?
+    false
+  end
+
+  def include_ignored?
+    false
+  end
 end