config: remove lint packages

Author: bencodezen

package.json

@@ -33,21 +33,9 @@
     "yeoman-generator": "^4.0.1"
   },
   "devDependencies": {
-    "xo": "0.23.0",
-    "eslint-config-sherry": "0.0.1",
     "husky": "1.3.1",
     "lint-staged": "8.1.0"
   },
-  "xo": {
-    "prettier": true,
-    "envs": [
-      "jest"
-    ],
-    "rules": {
-      "unicorn/filename-case": 0,
-      "unicorn/no-process-exit": 0
-    }
-  },
   "husky": {
     "hooks": {
       "pre-commit": "lint-staged"