remove unnecessary dependency

package.json

@@ -25,7 +25,6 @@
     "autosize": "^4.0.2",
     "bootswatch": "^4.3.1",
     "classcat": "^4.0.2",
-    "dotenv": "^8.2.0",
     "emoji-short-name": "^1.0.0",
     "husky": "^4.2.5",
     "i18next": "^19.4.1",

yarn.lock

@@ -1872,11 +1872,6 @@ [email protected]^1.0.1:
   dependencies:
     webidl-conversions "^4.0.2"
 
-[email protected]^8.2.0:
-  version "8.2.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.2.0.tgz#97e619259ada750eea3e4ea3e26bceea5424b16a"
-  integrity sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==
-
 [email protected]~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"