Fix: Remove invalid test config blocks

- Remove test_config and gitops_test blocks that caused Nomad startup failure
- Keep GitOps test comments for verification
- Restore valid Nomad configuration

nomad-configs/nodes/hcp1.hcl

@@ -7,13 +7,6 @@ plugin_dir = "/opt/nomad/plugins"
 log_level = "INFO"
 name = "hcp1"
 
-# Test configuration block - meaningless but harmless
-test_config {
-  enabled = true
-  test_value = "gitops-automation-test"
-  timestamp = "2025-10-09T06:45:00Z"
-}
-
 bind_addr = "hcp1.tailnet-68f9.ts.net"
 
 addresses {
@@ -125,13 +118,4 @@ telemetry {
   prometheus_metrics = true
   publish_allocation_metrics = true
   publish_node_metrics = true
-}
-
-# Additional test configuration for GitOps verification
-# This block will be ignored by Nomad but shows in config
-gitops_test {
-  deployment_id = "test-$(date +%s)"
-  automation_status = "active"
-  last_updated = "2025-10-09T06:45:00Z"
-  test_purpose = "verify-automatic-deployment"
 }