Retire dormant prompt compatibility APIs

internal/generatedtext/day_style.go

@@ -19,11 +19,11 @@ type dayStyleGeneratedText interface {
 func validateDayStyleGeneratedText[T any, PT interface {
 	*T
 	dayStyleGeneratedText
-}](data []byte, name string) (T, []byte, error) {
+}](data []byte, name string) (T, error) {
 	value, err := decodeGeneratedText[T](data, name)
 	if err != nil {
 		var zero T
-		return zero, nil, err
+		return zero, err
 	}
 
 	pointer := PT(&value)
@@ -33,24 +33,18 @@ func validateDayStyleGeneratedText[T any, PT interface {
 	fields.ForecastDiscussion = trimNonEmpty(fields.ForecastDiscussion)
 	if fields.Summary == "" {
 		var zero T
-		return zero, nil, fmt.Errorf("%s generated text summary is required", name)
+		return zero, fmt.Errorf("%s generated text summary is required", name)
 	}
 	if len(fields.ForecastDiscussion) == 0 {
 		var zero T
-		return zero, nil, fmt.Errorf("%s generated text forecast discussion is required", name)
+		return zero, fmt.Errorf("%s generated text forecast discussion is required", name)
 	}
 	if err := requireGeneratedTextStringField(data, name, "precipitation_timing"); err != nil {
 		var zero T
-		return zero, nil, err
+		return zero, err
 	}
 	pointer.setDayStyleFields(fields)
-
-	normalized, err := normalizeGeneratedText(value, name)
-	if err != nil {
-		var zero T
-		return zero, nil, err
-	}
-	return value, normalized, nil
+	return value, nil
 }
 
 func trimNonEmpty(values []string) []string {