[VOL-3375]Remove field pkg from log statements

Change-Id: I9dc94c8199d0260cb7ac204e9c310c95ed4b2c35
diff --git a/pkg/kafka/common.go b/pkg/kafka/common.go
index 99b4cdf..f229d46 100644
--- a/pkg/kafka/common.go
+++ b/pkg/kafka/common.go
@@ -24,7 +24,7 @@
 func init() {
 	// Setup this package so that it's log level can be modified at run time
 	var err error
-	logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "kafka"})
+	logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{})
 	if err != nil {
 		panic(err)
 	}