Use hostVector but remove construct resize

Grid/qcd/action/fermion/WilsonCompressor.h

@@ -485,7 +485,6 @@ public:
     assert(this->u_comm_offset==this->_unified_buffer_size);
     accelerator_barrier();
 #ifdef NVLINK_GET
-    #warning "NVLINK_GET"
     this->_grid->StencilBarrier(); // He can now get mu local gather, I can get his
     // Synch shared memory on a single nodes; could use an asynchronous barrier here and defer check
     // Or issue barrier AFTER the DMA is running