liblog: remove android_lookupEventTag

This function has been marked deprecated for quite some time, has no
users, and isn't in liblog.map.txt.

Test: build
Change-Id: Ic3bf47c780b18a5d4f1e997b9265be76049fb824
2 files changed
tree: a5804d42c17a9e7058ab6dcd6ab9bc0e9f07df1a
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/