remove dead link from old AB minutes

Author: SethTisue

minutes/ab-reports/2017-q4.md

@@ -286,7 +286,7 @@ Days events as possible. We'd like to see more community talks this year.
 - Worked with Lightbend and Heise to release the joint call for presentations
 for  Scala Days 2018.
 - **New this year**: CFP application for managing submissions and PC discussions.
- Available at: [Scala Days 2018 CFP](https://cfp.scaladays.org/events/scaladays)
+ Available at: Scala Days 2018 CFP (dead link)
 - Organized PC, set up meetings, managing deadlines.
 - 2018 Scala Days PC members:
   - Martin Odersky