Fixes after rebase.

src/TNL/DistributedContainers/Subrange.h

@@ -13,6 +13,7 @@
 #pragma once
 
 #include <ostream>
+
 #include <TNL/Assert.h>
 #include <TNL/String.h>
 #include <TNL/param-types.h>

src/TNL/Solvers/Linear/Preconditioners/Preconditioner.h

@@ -17,8 +17,6 @@
 #include <TNL/Config/ParameterContainer.h>
 #include <TNL/Solvers/Linear/Traits.h>
 
-#include "../Traits.h"
-
 namespace TNL {
 namespace Solvers {
 namespace Linear {