Fix proxy settings navigation.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/AppSettingsActivity.kt

@@ -93,7 +93,7 @@ class AppSettingsActivity : DSLSettingsActivity() {
     }
 
     @JvmStatic
-    fun proxy(context: Context): Intent = getIntentForStartLocation(context, StartLocation.HELP)
+    fun proxy(context: Context): Intent = getIntentForStartLocation(context, StartLocation.PROXY)
 
     @JvmStatic
     fun notifications(context: Context): Intent = getIntentForStartLocation(context, StartLocation.NOTIFICATIONS)

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/AccountSettingsFragment.kt

@@ -16,7 +16,6 @@ import androidx.core.content.ContextCompat
 import androidx.core.view.ViewCompat
 import androidx.lifecycle.ViewModelProviders
 import androidx.navigation.Navigation
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.components.settings.DSLConfiguration