Remove post install message
Remove post install message

Closes #661
hiphapis/backup,pawelduda/backup,scalp42/backup,backup/backup,reedloden/backup,martincik/backup,interu/backup,hiphapis/backup,tian-xiaobo/backup,ccoenen/backup,McStork/backup,hiphapis/backup,reedloden/backup,zires/backup,ccoenen/backup,tian-xiaobo/backup,zires/backup,backup/backup,martincik/backup,rics3n/backup,pollosp/backup,McStork/backup,ccoenen/backup,otzy007/backup,skcript/backup,zBMNForks/backup,skcript/backup,rics3n/backup,zires/backup,zBMNForks/backup,otzy007/backup,McStork/backup,pollosp/backup,scalp42/backup,pawelduda/backup,backup/backup,martincik/backup,pawelduda/backup,zBMNForks/backup,scalp42/backup,rics3n/backup,interu/backup,interu/backup,skcript/backup,pollosp/backup,otzy007/backup,tian-xiaobo/backup,reedloden/backup