fix: revert aitbc IP to 10.1.223.93 for gitea-runner execution

- Workflow runs on gitea-runner, not aitbc localhost
- Keep aitbc at 10.1.223.93 for remote access from gitea-runner
- Only aitbc2 (10.1.223.98) removed as it doesn't exist

scripts/multi-node/sync-verification.sh

@@ -14,7 +14,7 @@ LOG_FILE="${LOG_DIR}/sync-verification.log"
 
 # Node Configuration
 NODES=(
-    "aitbc:localhost"
+    "aitbc:10.1.223.93"
     "aitbc1:10.1.223.40"
 )