fix: Remove unsupported options for contrib recipes

Author: Zuruuh

carthage-software/mago/0.24/manifest.json

@@ -1,9 +1,5 @@
 {
-    "aliases": "mago",
     "copy-from-recipe": {
         "mago.toml": "mago.toml"
-    },
-    "composer-commands": {
-        "format": "mago fmt"
     }
 }