Fix No Forced Paths Issue

internal/project/project.go

@@ -139,8 +139,6 @@ func (p *Project) ValidateLayout() error {
 	}
 
 	for label, pathFn := range map[string]func() string{
-		"paths.source": p.SourceDir,
-		"paths.assets": p.AssetsDir,
 		"paths.build": p.BuildDir,
 	} {
 		path := pathFn()
@@ -149,9 +147,6 @@ func (p *Project) ValidateLayout() error {
 		}
 		info, err := os.Stat(path)
 		if err != nil {
-			if label == "paths.assets" && errors.Is(err, os.ErrNotExist) {
-				continue
-			}
 			failures = append(failures, fmt.Errorf("%s: %w", label, err))
 			continue
 		}
@@ -349,8 +344,6 @@ func (i Inventory) Report() InventoryReport {
 func defaultConfig() Config {
 	return Config{
 		Paths: PathConfig{
-			Source: "src",
-			Assets: "assets",
 			Build: "build",
 		},
 		TopData: TopDataConfig{