Do not fix lint errors with yarn lint

Leave it to the user to run linting with automatic fixing to avoid any
confusion that might arise from the command generating unstaged changes.

Author: tilgovi

package.json

@@ -21,7 +21,7 @@
     "build:esm": "cross-env BABEL_ENV=esm yarn build:babel -d esm src",
     "build:misc": "lerna exec -- cp ../../LICENSE ../../NOTICE .",
     "clean": "lerna exec -- rimraf LICENSE NOTICE esm lib",
-    "lint": "eslint --fix --quiet .",
+    "lint": "eslint .",
     "prepare": "lerna run prepare",
     "prepublishOnly": "yarn run build",
     "start": "yarn run web:server",