| position | The target position to remove from. | 
| deleteCells | The number of columns, rows and layers of cells to remove. | 
Removes cells from within the Tilemap's bounds.
| position | Target position to delete from. | 
| numColumns | The number of columns to remove. | 
| numRows | The number of rows to remove. | 
| numLayers | The number of layers of cells to remove. | 
Removes cells from within the Tilemap's bounds.