Let Yarn handle package.json formatting, not lint-staged (kriasoft#1614)

package.json

@@ -6,7 +6,12 @@
     "node": ">=6.13.1",
     "npm": ">=3.10.10"
   },
-  "browserslist": [">1%", "last 4 versions", "Firefox ESR", "not ie < 9"],
+  "browserslist": [
+    ">1%",
+    "last 4 versions",
+    "Firefox ESR",
+    "not ie < 9"
+  ],
   "dependencies": {
     "@babel/polyfill": "^7.0.0-beta.44",
     "bluebird": "^3.5.1",
@@ -116,9 +121,23 @@
     "webpack-node-externals": "^1.7.2"
   },
   "lint-staged": {
-    "*.{js,jsx}": ["eslint --no-ignore --fix", "git add --force"],
-    "*.{json,md,graphql}": ["prettier --write", "git add --force"],
-    "*.{css,less,styl,scss,sass,sss}": ["stylelint --fix", "git add --force"]
+    "ignore": [
+      "package.json"
+    ],
+    "linters": {
+      "*.{js,jsx}": [
+        "eslint --no-ignore --fix",
+        "git add --force"
+      ],
+      "*.{json,md,graphql}": [
+        "prettier --write",
+        "git add --force"
+      ],
+      "*.{css,less,styl,scss,sass,sss}": [
+        "stylelint --fix",
+        "git add --force"
+      ]
+    }
   },
   "scripts": {
     "precommit": "lint-staged",