FIX: do not replace smiling_face by slight_smile (#11412)

app/models/emoji.rb

@@ -173,7 +173,6 @@ class Emoji
       end
 
       replacements["\u{2639}"] = 'frowning'
-      replacements["\u{263A}"] = 'slight_smile'
       replacements["\u{263B}"] = 'slight_smile'
       replacements["\u{2661}"] = 'heart'
       replacements["\u{2665}"] = 'heart'

spec/components/pretty_text_spec.rb

@@ -1037,7 +1037,7 @@ describe PrettyText do
     end
 
     it "replaces some glyphs that are not in the emoji range" do
-      expect(PrettyText.cook("☺")).to match(/\:slight_smile\:/)
+      expect(PrettyText.cook("☺")).to match(/\:relaxed\:/)
     end
 
     it "replaces digits" do