Revert "Add shift matrix operation, will be needed for finding shortest path"

This reverts commit 6874121df3e8c65f8160f5c1f8c9b8c46122bfa4.
Revert "Add new variables max_min_x, max_min_y which holds the smallest x and y discover on the map. They will be needed for A algorithm"

This reverts commit ac2a56f6f87c98d167da2122ec569042e34581cb.