Yes delete them. They are quarantined instead of being deleted in case any of them are "false positives" (incorrectly identified as malware) and you need to retrieve it. If you know you don't need them, delete them.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.