be: Remove unused docker folder (#72884)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72884
These dockerfiles were old and unused so removing them to reduce the
amount of confusion we may have over what these actually do.
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: malfet, janeyx99
Differential Revision: D34253509
Pulled By: seemethere
fbshipit-source-id: dc78b0105ccbbb95b759bc3b905ff31cb5ad71ed
(cherry picked from commit a0e591c028016d7dd3ef0f9edd8074d5f32628aa)
