Update API of delete connection

Author: sagarkhole4

src/controllers/multi-tenancy/MultiTenancyController.ts

@@ -643,8 +643,7 @@ export class MultiTenancyController extends Controller {
   @Delete('/connections/:connectionId/:tenantId')
   public async deleteConnectionById(@Path('tenantId') tenantId: string, @Path('connectionId') connectionId: RecordId) {
     try {
-      let connectionRecord
-      await this.agent.modules.tenants.withTenantAgent({ tenantId }, async (tenantAgent) => {
+      const connectionRecord = await this.agent.modules.tenants.withTenantAgent({ tenantId }, async (tenantAgent) => {
         const connection = await tenantAgent.connections.deleteById(connectionId)
         return JsonTransformer.toJSON(connection)
       })