Remove Go extraction feature flags (#1371)

Author: angelapwen

lib/feature-flags.js

@@ -12,7 +12,6 @@ export enum Feature {
   BypassToolcacheEnabled = "bypass_toolcache_enabled",
   CliConfigFileEnabled = "cli_config_file_enabled",
   FileBaselineInformationEnabled = "file_baseline_information_enabled",
-  GolangExtractionReconciliationEnabled = "golang_extraction_reconciliation_enabled",
   MlPoweredQueriesEnabled = "ml_powered_queries_enabled",
   TrapCachingEnabled = "trap_caching_enabled",
 }
@@ -33,10 +32,6 @@ export const featureConfig: Record<
     envVar: "CODEQL_FILE_BASELINE_INFORMATION",
     minimumVersion: "2.11.3",
   },
-  [Feature.GolangExtractionReconciliationEnabled]: {
-    envVar: "CODEQL_GOLANG_EXTRACTION_RECONCILIATION",
-    minimumVersion: undefined,
-  },
   [Feature.MlPoweredQueriesEnabled]: {
     envVar: "CODEQL_ML_POWERED_QUERIES",
     minimumVersion: "2.7.5",