fix(node/libp2p): disable rcmg checkImplicitDefaults

Author: schomatis

core/node/libp2p/rcmgr_defaults.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/bits"
+	"os"
 	"strings"
 
 	config "github.com/ipfs/go-ipfs/config"
@@ -19,7 +20,10 @@ import (
 // such as values in Swarm.ConnMgr.HiWater config.
 func adjustedDefaultLimits(cfg config.SwarmConfig) rcmgr.DefaultLimitConfig {
 	// Run checks to avoid introducing regressions
-	checkImplicitDefaults()
+	if os.Getenv("IPFS_CHECK_RCMGR_DEFAULTS") != "" {
+		// FIXME: Broken. Being tracked in https://github.com/ipfs/go-ipfs/issues/8949.
+		checkImplicitDefaults()
+	}
 
 	// Return to use unmodified static limits based on values from go-libp2p 0.18
 	// return defaultLimits