Remove const from action side and date type.

src/interface/actions.ts

@@ -1,7 +1,7 @@
 /**
  * Enum representing the possible sides of an action.
  */
-export const enum ActionSide {
+export enum ActionSide {
     Buy,
     Sell,
 }
@@ -41,7 +41,7 @@ export interface Action {
  * Enum representing the type of date filter used in an action fetch.
  * @enum {number}
  */
-export const enum ActionDateType {
+export enum ActionDateType {
     On,
     After,
     Before,