Disable Launcher AIDL_TAG tracing special case

Since we enable generate_traces by default for the system and
signature apps, we can remove this special case

Test: Manual
Bug: 161393989
Change-Id: Iff92c0a729a9b9b038fb6310c7509925c59547b6
Merged-In: Iff92c0a729a9b9b038fb6310c7509925c59547b6