Fix duplicate "me" in tooltip of the "thumbsup" awards Emoji

Steps to reproduce:

1. Go to a MR or issue
2. Click on "thumbsup" Emoji 3 times
3. Observe the tooltip becomes "me, me"

Closes #13374, #12788

CHANGELOG

@@ -1,6 +1,7 @@
 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.5.0 (unreleased)
+  - Fix duplicate "me" in tooltip of the "thumbsup" awards Emoji (Stan Hu)
   - Cache various Repository methods to improve performance (Yorick Peterse)
   - Fix duplicated branch creation/deletion Web hooks/service notifications when using Web UI (Stan Hu)
   - Ensure rake tasks that don't need a DB connection can be run without one

app/assets/javascripts/awards_handler.coffee

@@ -49,10 +49,11 @@ class @AwardsHandler
       counter.text(parseInt(counter.text()) - 1)
       emojiIcon.removeClass("active")
       @removeMeFromAuthorList(emoji)
-    else if emoji =="thumbsup" || emoji == "thumbsdown"
+    else if emoji == "thumbsup" || emoji == "thumbsdown"
       emojiIcon.tooltip("destroy")
       counter.text(0)
       emojiIcon.removeClass("active")
+      @removeMeFromAuthorList(emoji)
     else
       emojiIcon.tooltip("destroy")
       emojiIcon.remove()