Enable zstd bundles on GHES and remove feature flag

src/codeql.ts

@@ -343,7 +343,6 @@ export async function setupCodeQL(
   tempDir: string,
   variant: util.GitHubVariant,
   defaultCliVersion: CodeQLDefaultVersionInfo,
-  features: FeatureEnablement,
   logger: Logger,
   checkVersion: boolean,
 ): Promise<{
@@ -366,7 +365,6 @@ export async function setupCodeQL(
       tempDir,
       variant,
       defaultCliVersion,
-      features,
       logger,
     );