The monitor container source files contained a declaration and a
definition for the rv_monitor variable. The former is superfluous and
can be removed.
Remove the variable declaration from the template as well as the
existing monitor containers.
Reviewed-by: Nam Cao <namcao@linutronix.de>
Link: https://lore.kernel.org/r/20251126104241.291258-9-gmonaco@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>