Remove unnecessary code for new BugreportManager

BUG: 154298410
Test: Build pass
Change-Id: I88c1080fa714a84f708fc73cc5a59f44a7610859
Merged-In: I88c1080fa714a84f708fc73cc5a59f44a7610859
(cherry picked from commit eb4b464c58be39fc90f62b823ace017e88867feb)
5 files changed