Removed REX-Ray CLI License File
Removed REX-Ray CLI License File

This patch removes the REX-Ray CLI license file at rexray/LICENSE since
the CLI tool has been merged with this repository, and this repository's
LICENSE is the same as the aforementioned.

ltouati/rexray,thecodeteam/rexray,thecodeteam/rexray,cduchesne/rexray,akutz/rexray,emccode/rexray,thecodeteam/rexray,oppodeldoc/rexray,ltouati/rexray,oppodeldoc/rexray,akutz/rexray,codedellemc/rexray,thecodeteam/rexray,oppodeldoc/rexray,oppodeldoc/rexray,akutz/rexray,akutz/rexray,clintonskitson/rexray,clintonskitson/rexray,codedellemc/rexray,codedellemc/rexray,emccode/rexray,taik0/rexray,akutz/rexray,robnolen/rexray,ltouati/rexray,codedellemc/rexray,cduchesne/rexray,taik0/rexray,cduchesne/rexray,akutz/rexray,cduchesne/rexray,thecodeteam/rexray,emccode/rexray,cduchesne/rexray,taik0/rexray,emccode/rexray,clintonskitson/rexray,cduchesne/rexray,clintonskitson/rexray,robnolen/rexray,oppodeldoc/rexray,codedellemc/rexray,codedellemc/rexray,thecodeteam/rexray,ltouati/rexray,oppodeldoc/rexray