FIX: better plugin emojis API

lib/discourse_plugin_registry.rb

@@ -14,7 +14,6 @@ class DiscoursePluginRegistry
     attr_writer :handlebars
     attr_writer :serialized_current_user_fields
     attr_writer :seed_data
-    attr_writer :emojis
 
     attr_accessor :custom_html
 
@@ -62,10 +61,6 @@ class DiscoursePluginRegistry
     def seed_data
       @seed_data ||= HashWithIndifferentAccess.new({})
     end
-
-    def emojis
-      @emojis ||= HashWithIndifferentAccess.new({})
-    end
   end
 
   def register_js(filename, options={})
@@ -136,10 +131,6 @@ class DiscoursePluginRegistry
     self.seed_data[key] = value
   end
 
-  def self.register_emoji(name, url)
-    self.emojis[name] = url
-  end
-
   def javascripts
     self.class.javascripts
   end
@@ -168,10 +159,6 @@ class DiscoursePluginRegistry
     self.class.handlebars
   end
 
-  def emojis
-    self.class.emojis
-  end
-
   def self.clear
     self.javascripts = nil
     self.server_side_javascripts = nil