Fix usage of HAVE_CUDA/HAVE_GPU (mostly disappeared)

cuda/c_cusparse_mod.F90

@@ -43,9 +43,6 @@ module c_cusparse_mod
   end type c_Hmat
 #endif
   
-  
-#if defined(HAVE_CUDA) && defined(HAVE_SPGPU)
-  
   interface CSRGDeviceFree
     function c_CSRGDeviceFree(Mat) &
          & bind(c,name="c_CSRGDeviceFree") result(res)
@@ -300,6 +297,4 @@ module c_cusparse_mod
   end interface
 #endif
   
-#endif
-  
 end module c_cusparse_mod