CustomReportFormat does not implement MDValueEnumInterface

src/enums/MDCustomReportFormat.php

@@ -9,7 +9,7 @@
 /**
  * Represents a format in which custom reports can be generated.
  */
-enum MDCustomReportFormat implements MDValueEnumInterface, JsonSerializable {
+enum MDCustomReportFormat implements JsonSerializable {
 
     case csv;
     case html;