template/kresd: replace verbose log with request log

Since kresd 5.4.0, using both debug level logging _and_ request log
will duplicate the request log lines in the output.

I think it is sufficient to log just everything related to the request
and otherwise stick with the default log level. This makes the resulting
log more readable.

template/kresd.j2

@@ -9,8 +9,7 @@ net.bufsize(4096)
 
 modules = {'stats', 'policy', 'hints'}
 
--- extra verbose logging for all operations
-verbose(true)
+-- trace logging for all requests
 policy.add(policy.all(policy.DEBUG_ALWAYS))
 
 -- test. domain is used by some tests, allow it