fix: [aaplication] - updated a contract interface useCases

#6
Essa interface estava gerando erro nos testes, pois a importação estava falhando

src/@application/contracts/app.contracts.ts

@@ -1,12 +1,3 @@
-export interface IHttpResponse<Data = any> {
-  statusCode: number
-  data: Data
-}
-/**
- *  Validation request data
- *  Create a new instances domain
- *  Verify incorrect parameters
- */
-export interface IUseCasesAPP<DTO> {
-  run: (props: DTO) => Promise<IHttpResponse>
+export interface IUseCases<DTO, Return> {
+  run: (props: DTO) => Promise<Return>
 }