Removed usage of normilizeEmojiName method

Fixed some Ruby based on feedback

app/assets/javascripts/awards_handler.coffee

@@ -55,7 +55,6 @@ class @AwardsHandler
         , 200
 
   addAward: (emoji) ->
-    emoji = @normilizeEmojiName(emoji)
     @postEmoji emoji, =>
       @addAwardToEmojiBar(emoji)
 
@@ -64,7 +63,6 @@ class @AwardsHandler
   addAwardToEmojiBar: (emoji) ->
     @addEmojiToFrequentlyUsedList(emoji)
 
-    emoji = @normilizeEmojiName(emoji)
     if @exist(emoji)
       if @isActive(emoji)
         @decrementCounter(emoji)
@@ -165,9 +163,6 @@ class @AwardsHandler
       scrollTop: $('.awards').offset().top - 80
     }, 200)
 
-  normilizeEmojiName: (emoji) ->
-    emoji
-
   addEmojiToFrequentlyUsedList: (emoji) ->
     frequently_used_emojis = @getFrequentlyUsedEmojis()
     frequently_used_emojis.push(emoji)

lib/award_emoji.rb

@@ -53,8 +53,7 @@ class AwardEmoji
   end
 
   def self.unicode
-    emojis
-    emojis.map{|key, value| { key => emojis[key]["unicode"] } }.inject(:merge!)
+    @unicode ||= emojis.map {|key, value| { key => emojis[key]["unicode"] } }.inject(:merge!)
   end
 
   def self.aliases