Cleanup redirects

Author: MattyTheHacker

_data/redirects.yaml

@@ -51,8 +51,6 @@
 # ball
 - source: /ball
   destination: /ball/2022
-- source: /soon
-  destination: /ball/2022
 - source: /ball/2022/photos
   destination: https://photos.app.goo.gl/bSyPR6fyHGtGDW6h9
 
@@ -83,11 +81,3 @@
   destination: /assets/agendas/agenda_22_05_04.pdf
 - source: /feedback
   destination: https://docs.google.com/forms/d/e/1FAIpQLScTIizptSk8feTUWRGzKYEJ9_odGQh8Irv8GBAHALDJArzgeg/viewform?usp=sf_link
-
-# Bletchley Park
-- source: /bletchley-park
-  destination: https://www.guildofstudents.com/events/6531/6398/
-
-# BBQ
-- source: /bbq
-  destination: https://www.eventbrite.co.uk/e/css-bbq-2022-tickets-343681248867