chore: remove rimraf

Fixes #5.

Author: 43081j

package.json

@@ -8,7 +8,7 @@
   ],
   "scripts": {
     "prepack": "npmignore --auto --commentLines=autogenerated && npm run build",
-    "build": "rimraf lib && babel src --out-dir lib --copy-files",
+    "build": "premove lib && babel src --out-dir lib --copy-files",
     "create": "node ./scripts/create-rule",
     "flow": "flow",
     "lint:fix": "npm run lint -- --fix",
@@ -70,7 +70,7 @@
     "npmignore": "^0.3.1",
     "object.assign": "^4.1.5",
     "object.entries": "^1.1.8",
-    "rimraf": "^3.0.2",
+    "premove": "^4.0.0",
     "safe-publish-latest": "^2.0.0",
     "semver": "^6.3.1",
     "tape": "^5.9.0",