Add developer property

hu.kramo.Cartridges.json

@@ -29,20 +29,7 @@
         "*.a"
     ],
     "modules" : [
-        {
-            "name": "python3-PyYAML",
-            "buildsystem": "simple",
-            "build-commands": [
-                "pip3 install --verbose --exists-action=i --no-index --find-links=\"file://${PWD}\" --prefix=${FLATPAK_DEST} \"PyYAML>=6.0\" --no-build-isolation"
-            ],
-            "sources": [
-                {
-                    "type": "file",
-                    "url": "https://files.pythonhosted.org/packages/36/2b/61d51a2c4f25ef062ae3f74576b01638bebad5e045f747ff12643df63844/PyYAML-6.0.tar.gz",
-                    "sha256": "68fb519c14306fec9720a2a5b45bc9f0c8d1b9c72adf45c37baedfcd949c35a2"
-                }
-            ]
-        },
+        "python3-modules.json",
         {
             "name": "blueprint-compiler",
             "buildsystem": "meson",