chore: enable TraceMempool on mainnet

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

config/mainnet/config.json

@@ -46,7 +46,7 @@
   "TraceLocalRootPeers": true,
   "TraceLocalTxSubmissionProtocol": false,
   "TraceLocalTxSubmissionServer": false,
-  "TraceMempool": false,
+  "TraceMempool": true,
   "TraceMux": false,
   "TracePeerSelection": true,
   "TracePeerSelectionActions": true,