Remove useless package entry

Author: xavierfoucrier

package.json

@@ -29,7 +29,6 @@
     "sass-loader": "^8.0.2",
     "vuepress": "^1.3.1"
   },
-  "deploy": "npm run build",
   "dependencies": {
     "@mojs/core": "^0.288.2",
     "@mojs/curve-editor": "^1.5.0",