refactor: remove IRepository and DbRepository

DigitalData.Core.Infrastructure/DbRepository.cs

@@ -129,19 +129,6 @@ public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbC
     public virtual IQueryable<TEntity> ReadOnly() => Entities.AsNoTracking();
     #endregion
 }
-
-public class DbRepository : IRepository
-{
-    private readonly IServiceProvider _provider;
-
-    public DbRepository(IServiceProvider provider)
-    {
-        _provider = provider;
-    }
-
-    public IRepository<TEntity> Entity<TEntity>() where TEntity : IEntity => _provider.GetRequiredService<IRepository<TEntity>>();
-}
-
 #if NETFRAMEWORK
     }
 #endif