MFH: r516196
Update webkit2-gtk3 to 2.26.1.
- Drop the NPAPI option, which was removed. This option was used to support gtk+2 plugins (like flash).
- Add a note when binutils can be dropped for linking.
Security: 92243b6a-5775-4aea-8727-a938058df5ba
Approved by: ports-secteam