Remove legacy configuration machinery

internal/modules/integration/dnd_spells_config_test.go

@@ -2,7 +2,6 @@ package integration_test
 
 import (
 	"context"
-	"os"
 	"strings"
 	"testing"
 
@@ -121,19 +120,7 @@ func dndCapabilityCatalog(t *testing.T, inputSpec, extractorSpec pipeline.Module
 func loadDNDSpellsPipelineConfig(t *testing.T) config.Config {
 	t.Helper()
 
-	data, err := os.ReadFile("testdata/pipeline.yml")
-	if err != nil {
-		t.Fatalf("ReadFile(pipeline.yml) error = %v, want nil", err)
-	}
-	fileCfg, err := config.ParseFileConfigYAML(data)
-	if err != nil {
-		t.Fatalf("ParseFileConfigYAML() error = %v, want nil", err)
-	}
-	cfg := config.Default()
-	if err := cfg.ApplyFileConfig(fileCfg); err != nil {
-		t.Fatalf("ApplyFileConfig() error = %v, want nil", err)
-	}
-	return cfg
+	return loadIntegrationConfig(t, "testdata/pipeline.yml")
 }
 
 type dndSpellsCatalogSpecs struct {