It appears you have your syslog level at 6 for VTP Pruning messages. I would simply just lower the level to 5 for these specific messages since they are only informational. Doing this will make them go away.
Issue the following configuration command:
Console> (enable) set logging level pruning 5 default
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...