Potential fix for pull request finding 'CodeQL / Unused variable, import, function or class'

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: lpcox

src/compose-generator.ts

@@ -9,7 +9,7 @@ import { buildAgentEnvironment, buildAgentVolumes, buildAgentService, buildIptab
 import { buildApiProxyService } from './services/api-proxy-service';
 import { buildDohProxyService } from './services/doh-proxy-service';
 import { buildCliProxyService } from './services/cli-proxy-service';
-import { getExistingDockerSubnets, _generateRandomSubnet } from './network-allocator';
+import { _generateRandomSubnet } from './network-allocator';
 
 /**
  * Generates Docker Compose configuration