feat: remove current codesandbox website

Author: wuweiweiwu

package.json

@@ -6,12 +6,9 @@
     "start": "parcel website/index.html",
     "prebuild": "yarn run lint && yarn run clean",
     "build": "rollup -c",
-    "buildOnly": "rollup -c",
-    "build:storybook": "yarn run clean:storybook && build-storybook -o build/storybook",
-    "build:website": "yarn run clean:website && parcel build website/index.html -d build --public-url /react-sortable-tree/",
+    "build:storybook": "build-storybook -o build",
     "clean": "rimraf dist",
-    "clean:storybook": "rimraf build/storybook",
-    "clean:website": "rimraf build",
+    "clean:storybook": "rimraf build",
     "lint": "eslint src website",
     "prettier": "prettier --write \"{src,example/src,stories}/**/*.{js,css,md}\"",
     "prepublishOnly": "yarn run test && yarn run build",