tag.rb: remove unused find_suggestions, increment_view_count.

find_suggestions unused since ca3e9bb.

app/models/tag.rb

@@ -79,12 +79,6 @@ class Tag < ActiveRecord::Base
     end
   end
 
-  module ViewCountMethods
-    def increment_view_count(name)
-      Cache.incr("tvc:#{Cache.sanitize(name)}")
-    end
-  end
-
   module CategoryMethods
     module ClassMethods
       def categories
@@ -694,20 +688,6 @@ class Tag < ActiveRecord::Base
     end
   end
 
-  module SuggestionMethods
-    def find_suggestions(query)
-      query_tokens = query.split(/_/)
-
-      if query_tokens.size == 2
-        search_for = query_tokens.reverse.join("_").to_escaped_for_sql_like
-      else
-        search_for = "%" + query.to_escaped_for_sql_like + "%"
-      end
-
-      Tag.where(["name LIKE ? ESCAPE E'\\\\' AND post_count > 0 AND name <> ?", search_for, query]).order("post_count DESC").limit(6).select("name").map(&:name).sort
-    end
-  end
-
   module SearchMethods
     def name_matches(name)
       where("tags.name LIKE ? ESCAPE E'\\\\'", name.mb_chars.downcase.to_escaped_for_sql_like)
@@ -789,12 +769,10 @@ class Tag < ActiveRecord::Base
 
   include ApiMethods
   include CountMethods
-  extend ViewCountMethods
   include CategoryMethods
   extend StatisticsMethods
   extend NameMethods
   extend ParseMethods
   include RelationMethods
-  extend SuggestionMethods
   extend SearchMethods
 end