Edit mobile ignores

Signed-off-by: Asai Neko <sugar@sne.moe>

mobile/.gitignore

@@ -10,31 +10,6 @@
 # build
 build/
 
-# android build
-.gradle/
-local.properties
-**/android/**/generated/
-**/android/app/debug/
-**/android/app/profile/
-**/android/app/release/
-
-# android keystore
-*.keystore
-*.jks
-
-# ios builds
-ios/Pods/
-ios/.symlinks/
-ios/Flutter/Generated.xcconfig
-ios/Flutter/flutter_export_environment.sh
-ios/ServiceDefinitions.json
-ios/Runner/GeneratedPluginRegistrant.h
-ios/Runner/GeneratedPluginRegistrant.m
-
-# ios personal settings
-*.moved-aside
-*.xcuserstate
-
 # vscode
 .vscode/