Hygiene: remove adb-setup.bash
Hygiene: remove adb-setup.bash

Remove setup script which unlocked the screen, waited until the emulator
was fully booted and connected to the internet, and reset the date. This
no longer seems necessary and appears to be at least partially handled
by the Android Emulator Jenkins Plugin[0] for API 23+.

[0] https://wiki.jenkins-ci.org/display/JENKINS/Android+Emulator+Plugin#AndroidEmulatorPlugin-Version2.14%28April8%2C2016%29

Change-Id: I410df0e693af20dab047b6dc2451d5f181f233e8
Depends-On: I974ea54c5035b6cc08edd2f17ebdcd130770c56f

SAGROUP2/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,wikimedia/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,dbrant/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia