This patch removes the unnecessary maintenance of a date and version
from the CLI documentation.
NOTE: Cinder/Nova teams also did the same removal with
the commit Idf78bbed44f942bb6976ccf4da67c748d9283ed9
and the commit I0a9dd49e68f2d47c58a46b107c77975e7b2aeaf7
Change-Id: I6a0faeb596f1ee3a3b67d1d37a14e1507aa40eba