Merge pull request #13870 from karalabe/miners-fixes

all: clean up various error handling in core and the miner

cmd/geth/main.go

@@ -161,12 +161,6 @@ func init() {
 		// Start system runtime metrics collection
 		go metrics.CollectProcessMetrics(3 * time.Second)
 
-		// This should be the only place where reporting is enabled
-		// because it is not intended to run while testing.
-		// In addition to this check, bad block reports are sent only
-		// for chains with the main network genesis block and network id 1.
-		eth.EnableBadBlockReporting = true
-
 		utils.SetupNetwork(ctx)
 		return nil
 	}