Fix for critical severity yarn audit errors

Partial fix for brave/brave-browser#5831

package.json

@@ -13,7 +13,7 @@
     "publish-docs": "gh-pages -d docs/jsdocs",
     "start:test": "gulp dev:test",
     "build:test": "gulp build:test",
-    "test": "yarn test:unit && yarn lint",
+    "test": "yarn audit && yarn test:unit && yarn lint",
     "dapp": "static-server test/e2e/contract-test --port 8080",
     "dapp-chain": "GANACHE_ARGS='-b 2' concurrently -k -n ganache,dapp -p '[{time}][{name}]' 'yarn ganache:start' 'sleep 5 && static-server test/e2e/contract-test --port 8080'",
     "watch:test:unit": "nodemon --exec \"yarn test:unit\" ./test ./app ./ui",
@@ -38,7 +38,6 @@
     "sentry:publish": "node ./development/sentry-publish.js",
     "lint": "eslint . --ext js,json",
     "lint:fix": "eslint . --ext js,json --fix",
-    "mozilla-lint": "addons-linter dist/firefox",
     "watch": "cross-env METAMASK_ENV=test mocha --watch --require test/setup.js --reporter min --recursive \"test/unit/**/*.js\" \"ui/app/**/*.test.js\"",
     "devtools:react": "react-devtools",
     "devtools:redux": "remotedev --hostname=localhost --port=8000",
@@ -184,7 +183,6 @@
     "@storybook/addon-knobs": "^3.4.2",
     "@storybook/react": "^5.1.1",
     "abortcontroller-polyfill": "^1.3.0",
-    "addons-linter": "^1.10.0",
     "babel-eslint": "^10.0.2",
     "babelify": "^10.0.0",
     "brfs": "^1.6.1",