Formatting code using astyle doesn't lead to results as good as with clang-format, and doesn't receive much test coverage as most developers use clang-format. The code is thus bitrotting. Drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>