Renable a test that passes now.

rdar://117632459

Author: gottesmm

test/Concurrency/dispatch_inference.swift

@@ -3,8 +3,6 @@
 // RUN: %target-swift-frontend  -disable-availability-checking %import-libdispatch -strict-concurrency=complete %s -emit-sil -o /dev/null -verify -strict-concurrency=complete
 // RUN: %target-swift-frontend  -disable-availability-checking %import-libdispatch -strict-concurrency=complete %s -emit-sil -o /dev/null -verify -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
 
-// https://github.com/apple/swift/issues/69481
-// REQUIRES: GH69481
 // REQUIRES: concurrency
 // REQUIRES: libdispatch
 // REQUIRES: asserts