This reverts commit 157c4cfbc1.
Functions like `DRW_select_buffer_bitmap_from_circle` and
`DRW_select_buffer_bitmap_from_poly` need to be adapted too.
This reverts commit 157c4cfbc1.
Functions like `DRW_select_buffer_bitmap_from_circle` and
`DRW_select_buffer_bitmap_from_poly` need to be adapted too.