Remove getopt/commandlineparser

This is replaced by a more modern 'cliopts' alternative.

Change-Id: I4ca092022d5d4824c384f47b93fde6ef9ef1f79a
Reviewed-on: http://review.couchbase.org/38131
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Mark Nunberg <mnunberg@haskalah.org>