chore: Remove security npm script since nsp is dead and gone

The security script might come back when this is merged and released:
npm/cli#125

Author: mischah

package.json

@@ -19,7 +19,7 @@
     "test": "npm run lint && nyc ava",
     "lint": "eslint --cache --ignore-path .gitignore .",
     "lint:fix": "npm run lint --silent -- --fix",
-    "release": "nsp check && standard-version --tag-prefix",
+    "release": "standard-version --tag-prefix",
     "release:patch": "npm run release --silent -- --release-as patch",
     "release:minor": "npm run release --silent -- --release-as minor",
     "release:major": "npm run release --silent -- --release-as major"