Remove unneeded dev-dependency

Author: wooorm

package.json

@@ -60,7 +60,6 @@
     "prettier": "^2.0.0",
     "remark-cli": "^11.0.0",
     "remark-preset-wooorm": "^9.0.0",
-    "rimraf": "^3.0.0",
     "tape": "^5.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
@@ -69,7 +68,7 @@
   },
   "scripts": {
     "prepack": "npm run build && npm run format",
-    "build": "rimraf \"{lib/**,test/**,}*.d.ts\" && tsc && type-coverage",
+    "build": "tsc --build --clean && tsc --build && type-coverage",
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
     "test-api": "node --conditions development test/index.js",
     "test-coverage": "c8 --check-coverage --100 --reporter lcov npm run test-api",