I completely agree with Aaron's comment:
"However, do remove the bare url and colon and replace "Find A Grave Memorial no. " with {{FindAGrave| memorial number here}} ."
I don't know why more detailed FindAGrave citations are being replaced by citations that only include the memorial number. My preference is to have citations that contain facts from the entry. The format that Aaron suggests is far more useful than a citation that only contains a number:
Find A Grave, database and images (accessed 11 July 2018), memorial page for Guy Whiting Sands (30 Dec 1872–2 Aug 1925), {{FindAGrave|66319877}}, citing Maple Grove Cemetery, Jordan, Onondaga County, New York, USA ; Maintained by KSands (contributor 49289325) .
Is there is a particular reason why FindAGrave citations are being changed to one line entries containing just the site memorial numbers? I do not see this as a positive change.