remove lifecycle scripts

Author: Kelly Selden

package.json

@@ -12,10 +12,7 @@
     "test": "cross-env DEBUG=ember-cli-update,boilerplate-update,git-diff-apply,git-fixtures,ember-cli-addon-tests mocha \"test/!(fixtures)/**/*-test.js\"",
     "test:fast": "cross-env DEBUG=ember-cli-update,boilerplate-update,git-diff-apply,git-fixtures mocha \"test/+(integration|unit)/**/*-test.js\" --retries 1",
     "test:slow": "cross-env DEBUG=ember-cli-update,boilerplate-update,git-diff-apply,git-fixtures,ember-cli-addon-tests mocha test/acceptance/**/*-test.js --retries 1",
-    "posttest": "npm run lint",
-    "prelint": "eslint --version",
-    "lint": "eslint . --ext js,json",
-    "lint:fix": "npm run lint -- --fix"
+    "lint": "eslint . --ext js,json"
   },
   "repository": {
     "type": "git",