Replace scheduled AUR imports with direct upstream watches

pkgbuilds/walker/.omarchy/package.json

@@ -1,4 +1,13 @@
 {
-  "source": "aur",
-  "upstream_commit": "9dbe9e62a133a14a16f4a6f6e9fe7de04ef651ef"
+  "source": "local",
+  "upstream": {
+    "watch": {
+      "github": "abenz1267/walker",
+      "pattern": "v(?P<version>[0-9]+(?:\\.[0-9]+)*)"
+    }
+  },
+  "origin": {
+    "aur": "walker",
+    "commit": "9dbe9e62a133a14a16f4a6f6e9fe7de04ef651ef"
+  }
 }