PredictedPortsRelevanceTime is obsolete, remove it from our torrcs

Closes 24005.

torrc_templates/single-onion.tmpl

@@ -17,6 +17,5 @@ Log notice [rend,bug]info file ${dir}/single-onion.log
 #__DisablePredictedCircuits 1
 # A workaround is to set:
 LongLivedPorts
-PredictedPortsRelevanceTime 0 seconds
 # This disables everything except hidden service preemptive 3-hop circuits.
 # See #17360.