Delete obsolete TODO

Bug: 178585590
Change-Id: Ie7e524e6b84237ff8836fc40005f2f5ce6a53718
diff --git a/apex/Android.bp b/apex/Android.bp
index e018565..a120adf 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -36,7 +36,6 @@
     module_types: ["library_linking_strategy_apex_defaults"],
 }
 
-// TODO(b/178585590): delete after testing linking strategy
 library_linking_strategy_apex_defaults {
     name: "adbd_manifest_defaults",
     soong_config_variables: {