Deleting system files

#system/app

system/app/AssistantScreen

system/app/BaiduInput

system/app/BuiltInPrintService

system/app/CTAutoRegist

system/app/Calendar

system/app/ChildrenSpace

system/app/CodeBook

system/app/ColorDirectService

system/app/ColorDirectUI

system/app/Feedback

system/app/FinShellWallet

system/app/FindMyPhoneClient2

system/app/FloatAssistant

system/app/GooglePrintRecommendationService

system/app/HealthCheck

system/app/HealthService

system/app/IFlySpeechService

system/app/Instant

system/app/KeKePay

system/app/MCS

system/app/MapComFrame

system/app/NetworkLocation

system/app/OShare

system/app/OTA

system/app/OTAUI

system/app/OVoiceManagerService

system/app/OcrScanner

system/app/OcrService

system/app/OppoDCS

system/app/OppoDropboxChmodService

system/app/OppoLogKit_Beta

system/app/OppoOperationManual

system/app/OppoPhoneActivation

system/app/OppoQualityProtect

system/app/OppoSecurityKeyboard

system/app/OppoSmallWeatherWidget

system/app/OppoTranslationService

system/app/OppoWeather2

system/app/OppoWeatherService

system/app/OppoWifiSniffer

system/app/PhoneManager

system/app/PrintSpooler

system/app/Prome

system/app/RemoteGuardService

system/app/RomUpdate

system/app/SAUHelper

system/app/SecurePay

system/app/Shelper

system/app/SogouInput

system/app/SoterService

system/app/Stk

system/app/SystemAppUpdateService

system/app/iFlyIME

#system/priv-app

system/priv-app/Browser

system/priv-app/ChildrenSpace

system/priv-app/CloudService

system/priv-app/ExtServices

system/priv-app/FindMyPhone

system/priv-app/HeyTapSpeechAssist

system/priv-app/HeyTapSpeechService

system/priv-app/HeyTapUserCenter

system/priv-app/HtmsService

system/priv-app/KeKeMarket

system/priv-app/OppoPermissionController

system/priv-app/PackageInstaller

system/priv-app/SafeSdkProxy

system/priv-app/SceneService

system/priv-app/SmartDrive

system/priv-app/SoftsimRedteaBridge

system/priv-app/SoftsimRedteaRoamingDeamon

system/priv-app/Tag

system/priv-app/VideoGallery

#system/product

system/product/app/colorservice

system/product/app/datastatusnotification

system/product/app/ModemTestMode

system/product/app/uceShimService

system/product/app/uimremoteclient

system/product/app/uimremoteserver

system/product/priv-app/GooglePlayServicesUpdater