[VOL-3801] remove unused KV consul code in voltha-lib-go

Change-Id: Iedfd7c24440692d74c8f463d80f3ad259cbf2e6d
diff --git a/go.mod b/go.mod
index 7e64cbf..ecf6b2c 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@
 require (
 	github.com/DataDog/zstd v1.4.1 // indirect
 	github.com/Shopify/sarama v1.23.1
-	github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 // indirect
 	github.com/boljen/go-bitmap v0.0.0-20151001105940-23cd2fb0ce7d
 	github.com/bsm/sarama-cluster v2.1.15+incompatible
 	github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72
@@ -20,19 +19,13 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
-	github.com/hashicorp/consul/api v1.2.0
-	github.com/hashicorp/go-immutable-radix v1.1.0 // indirect
-	github.com/hashicorp/go-msgpack v0.5.5 // indirect
-	github.com/hashicorp/go-rootcerts v1.0.1 // indirect
-	github.com/hashicorp/golang-lru v0.5.3 // indirect
-	github.com/hashicorp/memberlist v0.1.5 // indirect
-	github.com/hashicorp/serf v0.8.4 // indirect
 	github.com/jcmturner/gofork v1.0.0 // indirect
 	github.com/onsi/gomega v1.4.2 // indirect
 	github.com/opencord/voltha-protos/v4 v4.0.12
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/pierrec/lz4 v2.3.0+incompatible // indirect
+	github.com/pkg/errors v0.8.1 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563 // indirect
 	github.com/spf13/pflag v1.0.3 // indirect
 	github.com/stretchr/testify v1.4.0