Remove unused js-yaml dev dependency

Author: GaryGSC

package.json

@@ -29,7 +29,6 @@
     "eslint-plugin-prettier": "^3.1.3",
     "jest": "^24.9.0",
     "jest-circus": "^24.9.0",
-    "js-yaml": "^3.13.1",
     "prettier": "^1.19.1",
     "ts-jest": "^24.2.0",
     "typescript": "^3.6.4"

yarn.lock

@@ -3110,7 +3110,7 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
-js-yaml@^3.13.0, js-yaml@^3.13.1:
+js-yaml@^3.13.0:
   version "3.14.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
   integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==