Be careful to do not remove data directory and Neo4j database directory if you want to save your data! See Ubu: Important directories
Steps to uninstall Graphlytic:
Stop Graphlytic. See Mac: 5. Stop Graphlytic
Check where is your data directory. (see "main.dataDir" in file graphlytic.conf).
Go to data directory location and backup this directory to safe location. (see Mac: Important directories)
Go into Graphlytic home directory
Remove content of Graphlytic home directory