kbase: Shorten "less verbose QEMU logging" example

Rationale for the changes:

  * access can be filtered out entirely, as nothing very
    interesting is produced by the only other component in the
    same package (access.accessdriverpolkit);

  * util.udev doesn't exist.

Related filters are also more consistently grouped together.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

docs/kbase/debuglogs.rst

@@ -178,13 +178,12 @@ Less verbose logging for QEMU VMs
 
 Some subsystems are very noisy and usually not the culprit of the problems. They
 can be silenced individually for a less verbose log while still logging
-everything else. Usual suspects are the JSON code, udev, authentication and such.
+everything else. Usual suspects are the JSON code, RPC, authentication and such.
 A permissive filter is good for development use cases.
 
 ::
 
-    3:remote 4:event 3:util.json 3:util.object 3:util.dbus 3:util.udev 3:node_device 3:rpc 3:access.accessmanager 3:util.netlink 1:*
-
+    3:remote 4:event 3:util.json 3:util.object 3:util.dbus 3:util.netlink 3:node_device 3:rpc 3:access 1:*
 
 Minimalistic QEMU QMP monitor logging
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~