Revert "MB-41629 - Remove internal deleted flag from output map"

This reverts commit d14610c.

Reason for revert: Non-functional change that introduces UI instability

Change-Id: I09e4ecd65a13edfc09f15d3cf6c1c2c279118249
Reviewed-on: http://review.couchbase.org/c/goxdcr/+/136800
Reviewed-by: Lilei Chen <lilei.chen@couchbase.com>
Reviewed-by: Neil Huang <neil.huang@couchbase.com>
Tested-by: Neil Huang <neil.huang@couchbase.com>

metadata/remote_cluster_ref.go

@@ -289,6 +289,7 @@ func (ref *RemoteClusterReference) ToMap() map[string]interface{} {
 	outputMap[base.RemoteClusterValidateUri] = validateUri
 	outputMap[base.RemoteClusterHostName] = ref.getHostNameForOutputNoLock()
 	outputMap[base.RemoteClusterUserName] = ref.UserName_
+	outputMap[base.RemoteClusterDeleted] = false
 	outputMap[base.RemoteClusterSecureType] = ref.SecureTypeString()
 	// To be deprecated
 	if ref.IsEncryptionEnabled() {