chore: Update PF Q4FY2025 goals (#13800)

* Update PF Q4FY2025 goals

* Add onboarding Reece as a task

* Strikethrough markdown

Author: yasen-posthog

contents/teams/platform-features/objectives.mdx

@@ -6,16 +6,13 @@
         -   Simple approver policy (quorum)
     -   Finish up environments beta rolloff
     -   Activity logs extension/improvement
+    -   Onboard Reece
 
 -   Alex
     -   Add-on growth experiments - paygates, upgrade flow, upsell emails
     -   Finish plan switch
     -   SCIM provisioning
-
--   Zach
-    -   Access control paradigms
-    -   Handoff access control
+    -   Access controls for PostHog AI
 
 -   TBD
-    -   Access controls for PostHog AI
-    -   Data access controls - RFC + proof of concept
+    -   ~~Data access controls - RFC + proof of concept~~ (deprioritized)