surface: remove matrices
These were unused.
@@ -79,9 +79,6 @@ struct wlr_surface {
struct wlr_surface_state *current, *pending;
const char *role; // the lifetime-bound role or null
- float buffer_to_surface_matrix[9];
- float surface_to_buffer_matrix[9];
-
struct {
struct wl_signal commit;
struct wl_signal new_subsurface;
