Remove unnecessary GetCountAsync methods.

modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IIdentityRoleRepository.cs

@@ -21,9 +21,5 @@ namespace Volo.Abp.Identity
             bool includeDetails = false,
             CancellationToken cancellationToken = default
         );
-
-        Task<long> GetCountAsync(
-            CancellationToken cancellationToken = default
-        );
     }
 }

modules/identity/src/Volo.Abp.Identity.MongoDB/Volo/Abp/Identity/MongoDB/MongoIdentityRoleRepository.cs

@@ -43,11 +43,5 @@ namespace Volo.Abp.Identity.MongoDB
                 .PageBy<IdentityRole, IMongoQueryable<IdentityRole>>(skipCount, maxResultCount)
                 .ToListAsync(GetCancellationToken(cancellationToken));
         }
-
-        public async Task<long> GetCountAsync(CancellationToken cancellationToken = default)
-        {
-            return await GetMongoQueryable()
-                .LongCountAsync(GetCancellationToken(cancellationToken));
-        }
     }
 }