removen unnecessary code

frontend/src/validators/reference.ts

@@ -202,7 +202,7 @@ export const validateReference = (
     exact_date: {
       name: 'exact_date',
       required: true,
-      regexCheck: dateCheck,
+      asString: dateCheck,
       condition: (data: Partial<EditDataType<ReferenceDetailsType>>) => {
         const ids: number[] = [6, 7, 10, 11, 12, 13, 14]
         return data.ref_type_id != null && ids.includes(data.ref_type_id)

frontend/src/validators/validator.ts

@@ -10,7 +10,6 @@ type Validator = {
   asString?: ((str: string) => ValidationError) | boolean
   miscCheck?: (obj: object) => ValidationError
   miscArray?: (data: object[]) => ValidationError
-  regexCheck?: (str: string) => ValidationError
   condition?: (data: object) => boolean // Validator is run if condition returns true, example in ./reference
   useEditData?: boolean
 }