fix(android) remove leftover package

android/sdk/build.gradle

     implementation project(':react-native-default-preference')
     implementation project(':react-native-immersive')
     implementation project(':react-native-keep-awake')
-    implementation project(':react-native-linear-gradient')
     implementation project(':react-native-sound')
     implementation project(':react-native-svg')
     implementation project(':react-native-webrtc')

android/settings.gradle

 project(':react-native-immersive').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-immersive/android')
 include ':react-native-keep-awake'
 project(':react-native-keep-awake').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-keep-awake/android')
-include ':react-native-linear-gradient'
-project(':react-native-linear-gradient').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-linear-gradient/android')
 include ':react-native-sound'
 project(':react-native-sound').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-sound/android')
 include ':react-native-splash-screen'