chore: Remove lerna from package.json (#144)

## What's Changed

Removed `lerna` from `package`json` because we removed `lerna` in
apache/arrow#37393.

Closes #143.

Author: kou

package.json

@@ -6,7 +6,6 @@
   },
   "type": "module",
   "scripts": {
-    "lerna": "lerna",
     "test": "cross-env NODE_NO_WARNINGS=1 gulp test",
     "build": "cross-env NODE_NO_WARNINGS=1 gulp build",
     "clean": "cross-env NODE_NO_WARNINGS=1 gulp clean",