Refine code style

mobile/src/main/java/be/mygod/vpnhotspot/RepeaterService.kt

@@ -11,7 +11,6 @@ import android.net.wifi.p2p.*
 import android.os.Build
 import android.os.Looper
 import android.provider.Settings
-import androidx.annotation.RequiresApi
 import androidx.annotation.StringRes
 import androidx.core.content.edit
 import be.mygod.librootkotlinx.useParcel
@@ -162,7 +161,8 @@ class RepeaterService : Service(), CoroutineScope, WifiP2pManager.ChannelListene
                 RootManager.use { server ->
                     if (deinitPending.getAndSet(false)) server.execute(RepeaterCommands.Deinit())
                     @Suppress("UNCHECKED_CAST")
-                    val groups = server.execute(RepeaterCommands.RequestPersistentGroupInfo()).value as List<WifiP2pGroup>
+                    val groups = server.execute(RepeaterCommands.RequestPersistentGroupInfo())
+                            .value as List<WifiP2pGroup>
                     for (group in groups.filterUselessGroups()) {
                         server.execute(RepeaterCommands.DeletePersistentGroup(group.networkId))?.value.print(group)
                     }

mobile/src/main/java/be/mygod/vpnhotspot/RoutingManager.kt

@@ -9,7 +9,6 @@ import be.mygod.vpnhotspot.net.wifi.WifiDoubleLock
 import be.mygod.vpnhotspot.widget.SmartSnackbar
 import kotlinx.coroutines.runBlocking
 import timber.log.Timber
-import java.net.NetworkInterface
 
 abstract class RoutingManager(private val caller: Any, val downstream: String, private val forceWifi: Boolean = false) {
     companion object {
@@ -17,8 +16,9 @@ abstract class RoutingManager(private val caller: Any, val downstream: String, p
         var masqueradeMode: Routing.MasqueradeMode
             @TargetApi(28) get() = app.pref.run {
                 getString(KEY_MASQUERADE_MODE, null)?.let { return@run Routing.MasqueradeMode.valueOf(it) }
-                if (getBoolean("service.masquerade", true)) // legacy settings
-                    Routing.MasqueradeMode.Simple else Routing.MasqueradeMode.None
+                if (getBoolean("service.masquerade", true)) {   // legacy settings
+                    Routing.MasqueradeMode.Simple
+                } else Routing.MasqueradeMode.None
             }.let {
                 // older app version enabled netd for everyone. should check again here
                 if (Build.VERSION.SDK_INT >= 28 || it != Routing.MasqueradeMode.Netd) it

mobile/src/main/java/be/mygod/vpnhotspot/net/wifi/WifiApManager.kt

@@ -7,9 +7,7 @@ import android.net.wifi.SoftApConfiguration
 import android.net.wifi.WifiManager
 import android.os.Build
 import androidx.annotation.RequiresApi
-import be.mygod.vpnhotspot.App
 import be.mygod.vpnhotspot.App.Companion.app
-import be.mygod.vpnhotspot.net.TetheringManager
 import be.mygod.vpnhotspot.net.wifi.SoftApConfigurationCompat.Companion.toCompat
 import be.mygod.vpnhotspot.util.Services