Revert "multiregion cluster support"

This reverts commit 1e5b47d.

testsuite/forge-cli/src/suites/realistic_environment.rs

@@ -62,7 +62,7 @@ pub(crate) fn realistic_env_sweep_wrap(
         .with_validator_override_node_config_fn(Arc::new(|config, _| {
             config.execution.processed_transactions_detailed_counters = true;
         }))
-        .add_network_test(test)
+        .add_network_test(wrap_with_realistic_env(num_validators, test))
         // Test inherits the main EmitJobRequest, so update here for more precise latency measurements
         .with_emit_job(
             EmitJobRequest::default().latency_polling_interval(Duration::from_millis(100)),

testsuite/forge-test-runner-template.yaml

@@ -83,9 +83,6 @@ spec:
     - effect: NoExecute
       key: aptos.org/nodepool
       value: validators
-    - effect: NoExecute
-      key: AptosNodeOnly
-      value: "false"
   volumes:
     - name: multiregion-kubeconfig
       secret:

testsuite/forge/src/backend/k8s/cluster_helper.rs

@@ -647,7 +647,7 @@ pub async fn install_testnet_resources(
         kube_client.clone(),
         kube_namespace.clone(),
         FORGE_TESTNET_DEPLOYER_DOCKER_IMAGE_REPO.to_string(),
-        Some("4d49cd28bdbbfefad7b6e68d2f0b200216ea981f".into()),
+        None,
     );
 
     testnet_deployer.start(config).await?;

testsuite/test_framework/cluster.py

@@ -63,7 +63,7 @@ def set_kubeconf(self, kubeconf: str) -> ForgeCluster:
 
     @property
     def kubectl_create_context_arg(self) -> List[str]:
-        return [] if self.is_multiregion else []
+        return ["--context=karmada-apiserver"] if self.is_multiregion else []
 
     async def write(self, shell: Shell) -> None:
         assert self.kubeconf is not None, "kubeconf must be set"