Remove unsafe check:

If pointer is passed in uninitialised we cannot check for its
association status.

Author: stephankramer

assemble/Adapt_Integration.F90

@@ -275,9 +275,6 @@ subroutine adapt_mesh(input_positions, metric, output_positions, node_ownership,
       assert(face_loc(input_positions, 1) == snloc)
     end if
     assert(metric%mesh == input_positions%mesh)
-    if(present(node_ownership)) then
-      assert(.not. associated(node_ownership))
-    end if
 #endif
 
     ewrite(2, *) "Forming adaptmem arguments"