[PATCH v4 72/83] buildman: Move code to remove old outputs

[Simon Glass]

Put this in its own function to reduce the size of the run_commit()
function.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 tools/buildman/builderthread.py | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

Applied to u-boot-dm, thanks!