Revert "Update repo url ,nexus user name and pwd variables"
Revert "Update repo url ,nexus user name and pwd variables"

This reverts commit 8a2ac069249c72c88c1339a81fcb0a4ae72a24ea.

hortonworks/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak,hortonworks/cloudbreak