react-panel: Remove json-formatter-js since we will continue with the "patched" version

package.json

@@ -145,7 +145,6 @@
     "file-saver": "^1.3.3",
     "immutable": "^3.8.2",
     "jquery": "^3.2.1",
-    "json-formatter-js": "^2.2.1",
     "lodash": "^4.17.10",
     "moment": "^2.22.2",
     "mousetrap": "^1.6.0",

yarn.lock

@@ -6811,11 +6811,6 @@ json-buffer@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
 
-json-formatter-js@^2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/json-formatter-js/-/json-formatter-js-2.2.1.tgz#b101d628e86f028dc9cf9a7e1c83c65e536c9f87"
-  integrity sha1-sQHWKOhvAo3Jz5p+HIPGXlNsn4c=
-
 json-parse-better-errors@^1.0.0, json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"