Remove extra comment

This fixes a merge conflict with downstream branches due to an
incomplete cherry-pick.

Bug: 171540887
Test: m

Change-Id: I27a8f20f1a1d83b472700648f3f5a68413a76ac3
Merged-In: I7432fe4c87cd3cab04dcb6185c9a4f3f84376549

framework/Android.bp

@@ -23,7 +23,6 @@ package {
     default_applicable_licenses: ["frameworks_base_license"],
 }
 
-// TODO: use a java_library in the bootclasspath instead
 filegroup {
     name: "framework-connectivity-internal-sources",
     srcs: [