fix speakers list (remove erwan, again)
fix speakers list (remove erwan, again)

CmoaToto/zeppelin-android-makers-2017,CmoaToto/zeppelin-android-makers-2017,paug/android-makers-2017,paug/android-makers-2017,CmoaToto/zeppelin-android-makers-2017,CmoaToto/zeppelin-android-makers-2017,paug/android-makers-2017,paug/android-makers-2017