chore: remove default shell configuration for devbox integration

Author: seanstrom

devbox.json

@@ -14,15 +14,5 @@
   },
   "env": {
     "LD_LIBRARY_PATH": "$DEVBOX_PACKAGES_DIR/lib:$LD_LIBRARY_PATH"
-  },
-  "shell": {
-    "init_hook": [
-      "echo 'Welcome to devbox!' > /dev/null"
-    ],
-    "scripts": {
-      "test": [
-        "echo \"Error: no test specified\" && exit 1"
-      ]
-    }
   }
 }