Revert "intel_idle: Add a "Long HLT" C1 state for the VM guest mode"

JIRA: https://issues.redhat.com/browse/RHEL-11351

commit a5155c02
Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date:   Wed Jul 19 19:57:39 2023 +0200

    Revert "intel_idle: Add a "Long HLT" C1 state for the VM guest mode"

    This reverts commit 0fac214b ("intel_idle: Add a "Long HLT" C1 state
    for the VM guest mode"), because there is a coding mistake in it and its
    validity is questioned.

    Link: https://lore.kernel.org/all/20230711132553.GN3062772@hirez.programming.kicks-ass.net


Requested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Signed-off-by: David Arcari <darcari@redhat.com>