net/sched: Retire rsvp classifier

stable inclusion
from stable-v4.19.294
commit 6ca0ea6a46e7a2d70fb1b1f6a886efe2b2365e16
category: bugfix
bugzilla: 189257, https://gitee.com/src-openeuler/kernel/issues/I84B2W
CVE: CVE-2023-42755

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/patch/?id=6ca0ea6a46e7a2d70fb1b1f6a886efe2b2365e16



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commit 265b4da8 upstream.

The rsvp classifier has served us well for about a quarter of a century but has
has not been getting much maintenance attention due to lack of known users.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kyle Zeng <zengyhkyle@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dong Chenchen <dongchenchen2@huawei.com>