srv: Remove spammy debug log

Fixes #40135

Signed-off-by: David Goulet <dgoulet@torproject.org>
7 jobs for ticket40135_035_01 in 39 minutes and 53 seconds (queued for 17 minutes and 32 seconds)
latest
Status Name Job ID Coverage
  Test
passed debian-disable-dirauth #2591

00:08:26

passed debian-distcheck #2588

00:06:11

passed debian-docs #2589

00:03:22

passed debian-hardened #2587

00:15:43

passed debian-integration #2590

00:16:37

passed debian-minimal #2586

00:05:03

passed debian-nss #2592

00:06:35