Remove dependency over `emoji-unicode-version`

this is now handled by the TanukiEmoji gem

package.json

@@ -128,7 +128,6 @@
     "dropzone": "^4.2.0",
     "editorconfig": "^0.15.3",
     "emoji-regex": "^7.0.3",
-    "emoji-unicode-version": "^0.2.1",
     "fast-mersenne-twister": "1.0.2",
     "file-loader": "^6.2.0",
     "fuzzaldrin-plus": "^0.6.0",

yarn.lock

@@ -4810,11 +4810,6 @@ emoji-regex@^8.0.0:
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
   integrity sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==
 
-emoji-unicode-version@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/emoji-unicode-version/-/emoji-unicode-version-0.2.1.tgz#0ebf3666b5414097971d34994e299fce75cdbafc"
-  integrity sha1-Dr82ZrVBQJeXHTSZTimfznXNuvw=
-
 emojis-list@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-3.0.0.tgz#5570662046ad29e2e916e71aae260abdff4f6a78"