What I do is I create a new layer. I set the grids in this layer. I choose free transform and move the image around. I, then, apply the transformation in the new layer. The grid lines, however, remain to be visible after the transformation. I would like to get rid of the lines. I know I have to manipulate these two layers to get the final transformed image with no grid lines appearing. How to do this, however, I don't know.
Could someone help a novice please?

Thanks!