Task/remove deprecated transaction count in get admin endpoint (#6281)

* Remove deprecated transaction count

* Update changelog

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Removed the deprecated `transactionCount` in the endpoint `GET api/v1/admin`
 - Upgraded `stripe` from version `20.1.0` to `20.3.0`
 
 ### Fixed

apps/api/src/app/admin/admin.service.ts

@@ -186,7 +186,6 @@ export class AdminService {
       dataProviders,
       settings,
       userCount,
-      transactionCount: activitiesCount,
       version: environment.version
     };
   }

libs/common/src/lib/interfaces/admin-data.interface.ts

@@ -7,10 +7,6 @@ export interface AdminData {
     useForExchangeRates: boolean;
   })[];
   settings: { [key: string]: boolean | object | string | string[] };
-
-  /** @deprecated use activitiesCount instead */
-  transactionCount: number;
-
   userCount: number;
   version: string;
 }