VOL-1845 : Support for delete device in openolt adapter

           This commit is for the handling of delete device.

           The changes are done to handle the request for delete
           device. This includes the clearing of all data related
           to the device in KV store and reboot of device to reset
           the device.

           This commit has dependency in voltha-go so that needs to
           be merged first. Please refer this review link
           https://gerrit.opencord.org/#/c/15084/

           Updated to dep ensure above voltha-go patch set.  Also typo
           and make lint/sca fixes.

Change-Id: I53f16022c6902d498dad30e9b7d0ff50bf156347
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/zap.go b/vendor/go.etcd.io/etcd/pkg/logutil/zap.go
index 313d914..8fc6e03 100644
--- a/vendor/go.etcd.io/etcd/pkg/logutil/zap.go
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/zap.go
@@ -23,7 +23,7 @@
 
 // DefaultZapLoggerConfig defines default zap logger configuration.
 var DefaultZapLoggerConfig = zap.Config{
-	Level: zap.NewAtomicLevelAt(zap.InfoLevel),
+	Level: zap.NewAtomicLevelAt(ConvertToZapLevel(DefaultLogLevel)),
 
 	Development: false,
 	Sampling: &zap.SamplingConfig{
@@ -53,15 +53,12 @@
 	ErrorOutputPaths: []string{"stderr"},
 }
 
-// AddOutputPaths adds output paths to the existing output paths, resolving conflicts.
-func AddOutputPaths(cfg zap.Config, outputPaths, errorOutputPaths []string) zap.Config {
+// MergeOutputPaths merges logging output paths, resolving conflicts.
+func MergeOutputPaths(cfg zap.Config) zap.Config {
 	outputs := make(map[string]struct{})
 	for _, v := range cfg.OutputPaths {
 		outputs[v] = struct{}{}
 	}
-	for _, v := range outputPaths {
-		outputs[v] = struct{}{}
-	}
 	outputSlice := make([]string, 0)
 	if _, ok := outputs["/dev/null"]; ok {
 		// "/dev/null" to discard all
@@ -78,9 +75,6 @@
 	for _, v := range cfg.ErrorOutputPaths {
 		errOutputs[v] = struct{}{}
 	}
-	for _, v := range errorOutputPaths {
-		errOutputs[v] = struct{}{}
-	}
 	errOutputSlice := make([]string, 0)
 	if _, ok := errOutputs["/dev/null"]; ok {
 		// "/dev/null" to discard all