#4566: removed register-worker from tsa readme.md
#4566: removed register-worker from tsa readme.md

Signed-off-by: witjem <a1d86aba4a6d9df8a41391a8d46e1dfb9d82d95c@gmail.com>

concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse