Update app-profile.md and strings.xml (#712)

1. website: Correcting several errors in docs of App Profile
2. manager: Remove the 'app name' field except for the default
strings.xml file

manager/app/src/main/res/values-fa/strings.xml

@@ -1,5 +1,4 @@
 <resources>
-<string name="app_name" translatable="false">KernelSU</string>
 <string name="home">خانه</string>
 <string name="home_not_installed">نصب نشده است</string>
 <string name="home_click_to_install">برای نصب ضربه بزنید</string>