Make DO id.jurisdiction property non-experimental

Author: maxmcd

src/workerd/api/actor.h

@@ -66,17 +66,11 @@ class DurableObjectId: public jsg::Object {
     return id->getJurisdiction();
   }
 
-  JSG_RESOURCE_TYPE(DurableObjectId, CompatibilityFlags::Reader flags) {
+  JSG_RESOURCE_TYPE(DurableObjectId) {
     JSG_METHOD(toString);
     JSG_METHOD(equals);
     JSG_READONLY_INSTANCE_PROPERTY(name, getName);
-    if (flags.getWorkerdExperimental()) {
-      // `jurisdiction` is marked as experimental because it will be undefined when called on the
-      // `DurableObjectId` stored within a Durable Object class as `this.ctx.id`.
-      //
-      // TODO(soon): Ensure that `jurisdiction` is always available on a `DurableObjectId`.
-      JSG_READONLY_INSTANCE_PROPERTY(jurisdiction, getJurisdiction);
-    }
+    JSG_READONLY_INSTANCE_PROPERTY(jurisdiction, getJurisdiction);
   }
 
   void visitForMemoryInfo(jsg::MemoryTracker& tracker) const {