Remove unneeded default config flags
Remove unneeded default config flags

edx/edx-app-android,edx/edx-app-android,IndonesiaX/edx-app-android,ahmedaljazzar/edx-app-android,edx/edx-app-android,KirillMakarov/edx-app-android,KirillMakarov/edx-app-android,KirillMakarov/edx-app-android,IndonesiaX/edx-app-android,edx/edx-app-android,IndonesiaX/edx-app-android,edx/edx-app-android,edx/edx-app-android,ahmedaljazzar/edx-app-android