@1.2::IServiceManager: remove broadcast TODO

It has been decided not to do this since direct calls from atrace is
WAI from security perspective.

Bug: 78136428
Test: N/A
Change-Id: Ib64e80fb46378aad84b549748bd7e90cff5feb5f
diff --git a/transport/manager/1.2/IServiceManager.hal b/transport/manager/1.2/IServiceManager.hal
index 503cceb..6305da9 100644
--- a/transport/manager/1.2/IServiceManager.hal
+++ b/transport/manager/1.2/IServiceManager.hal
@@ -25,6 +25,5 @@
     // - Callbacks to support lazy hal shutdown when there are no clients (b/79983843)
     // - Method to list interfaces in the manifest (for b/76108617, since if they are
     //     lazy, they will no longer show up in listByInterface)
-    // - Broadcast to all HALs for systrace w/o root (b/78136428)
     // - Register w/o it having to call interface chain (b/36424585)
 };
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