- npm: Update lint-staged per latest (advanced configs removed and git add handled automatically)

Author: brettz9

package.json

@@ -17,7 +17,7 @@
   "homepage": "https://github.com/xjamundx/eslint-plugin-promise",
   "bugs": "https://github.com/xjamundx/eslint-plugin-promise/issues",
   "scripts": {
-    "precommit": "lint-staged",
+    "precommit": "lint-staged --concurrent false",
     "test": "jest",
     "lint": "eslint rules __tests__ index.js"
   },
@@ -41,22 +41,16 @@
   },
   "license": "ISC",
   "lint-staged": {
-    "concurrent": false,
-    "linters": {
-      "{README.md,CONTRIBUTING.md}": [
-        "doctoc --maxlevel 3 --notitle",
-        "git add"
-      ],
-      "*.js": [
-        "prettier --write",
-        "eslint --fix",
-        "git add"
-      ],
-      "*.+(json|md)": [
-        "prettier --write",
-        "git add"
-      ]
-    }
+    "{README.md,CONTRIBUTING.md}": [
+      "doctoc --maxlevel 3 --notitle"
+    ],
+    "*.js": [
+      "prettier --write",
+      "eslint --fix"
+    ],
+    "*.+(json|md)": [
+      "prettier --write"
+    ]
   },
   "prettier": {
     "semi": false,