Issue: Need to uninstall Gremlin
Solution:
The method for uninstalling Gremlin depends on the operating system being used.
1. Fedora, RHEL, CentOS = yum remove Gremlin | rpm -r Gremlin
2. Debian, Ubuntu = sudo apt-get remove Gremlin OR sudo apt-get purge Gremlin
3. Windows = can be uninstalled in the Add/remove programs feature