Delete sl-bosh.yml
Delete sl-bosh.yml

This is documented on https://bosh.io/docs/init-softlayer.html.

Having this documentation duplicated leads to stale versions on either side.
vvraskin/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi-release,maximilien/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi,vvraskin/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi,maximilien/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi-release,vvraskin/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi,mattcui/bosh-softlayer-cpi-release,mattcui/bosh-softlayer-cpi-release,mattcui/bosh-softlayer-cpi,vvraskin/bosh-softlayer-cpi