Revert "Disable test while MikeA fixes it to unblock the builds."

This reverts commit 433215f.

This should be fixed now by disabling emission of extend async frame
info on linux.

Author: aschwaighofer

test/Concurrency/Runtime/exclusivity_custom_executors.swift

@@ -3,8 +3,6 @@
 // REQUIRES: concurrency
 // REQUIRES: executable_test
 
-// REQUIRES: rdar82734785
-
 // rdar://76038845
 // UNSUPPORTED: back_deployment_runtime
 // REQUIRES: concurrency_runtime