doc/mgr: edit telemetry.rst

Follow up on the suggestion made by Anthony D'Atri in
ceph#63826 (comment).

Signed-off-by: Zac Dover <[email protected]>
(cherry picked from commit a598c46)

Author: zdover23

doc/mgr/telemetry.rst

@@ -305,8 +305,7 @@ command:
    ceph telemetry send
 
 If telemetry has not been enabled (by running the command ``ceph telemetry
-on``), you need to add ``--license sharing-1-0`` to the ``ceph telemetry send``
-command.
+on``), add ``--license sharing-1-0`` to the ``ceph telemetry send`` command.
 
 Sending telemetry through a proxy
 ---------------------------------