Update libraries build instructions on Unix (#69553)
authorAdeel Mujahid <3840695+am11@users.noreply.github.com>
Thu, 19 May 2022 15:16:52 +0000 (18:16 +0300)
committerGitHub <noreply@github.com>
Thu, 19 May 2022 15:16:52 +0000 (08:16 -0700)
commitf8f6c057e6249a90f125c2aa0a7087d7ffc9983b
treea4ae0cdcf6643eb323c84beace7635fca476a022
parentf14aa5d03e8bbf7e7700e9cf021b91867fb7e775
Update libraries build instructions on Unix (#69553)

Delete platform specific ones which are no longer relavant to this
repository.
docs/workflow/building/libraries/README.md
docs/workflow/building/libraries/freebsd-instructions.md [deleted file]
docs/workflow/building/libraries/netbsd-instructions.md [deleted file]