Revert "Add radio_ext aidl to compatibility matrix"

Reason for revert: Broke next target, b/303392497

Reverted changes: /q/submissionid:24799507-ak3_ssc_aidl

Change-Id: I20c5834b71d0695f2fd4e7bc55785895410951d1
Merged-In: I20c5834b71d0695f2fd4e7bc55785895410951d1
6 files changed