Revert "HUE-1188 [beeswax] Support hadoop.rpc.protection set to anything other than "authentication""

This reverts commit f13ef3b0bdfc359d5d6ebb65f9bf62088424ff22.
Revert "HUE-1064 [core] JT plugin should support hadoop.rpc.protection set to anything other than "authentication""

This reverts commit 60173e15ed35efcb3a4aebd5a00dce756beecf79.