Stop deleting .cache and public when running develop

package.json

@@ -39,7 +39,7 @@
     "clean": "rimraf .cache public",
     "build": "npm run clean && gatsby build",
     "build-only": "gatsby build",
-    "develop": "npm run clean && gatsby develop",
+    "develop": "gatsby develop",
     "devlan": "gatsby develop -H 0.0.0.0",
     "serve": "gatsby serve",
     "format": "prettier --trailing-comma es5 --no-semi --single-quote --write \"{gatsby-*.js,src/**/*.js}\"",