Remove dead code

package com.android.systemui.statusbar.notification.stack

import android.content.Context

import android.service.notification.NotificationListenerService.REASON_APP_CANCEL

import android.service.notification.NotificationListenerService.REASON_APP_CANCEL_ALL

import android.service.notification.NotificationListenerService.REASON_CANCEL

import android.service.notification.NotificationListenerService.REASON_CANCEL_ALL

import android.service.notification.NotificationListenerService.REASON_CLICK

        Assert.isMainThread()

        val isClearAll = reason == REASON_CANCEL_ALL

        val isUserDismiss = reason == REASON_CANCEL || reason == REASON_CLICK

        val isAppCancel = reason == REASON_APP_CANCEL || reason == REASON_APP_CANCEL_ALL

        // REASON_APP_CANCEL and REASON_APP_CANCEL_ALL are ignored, because the

        // foreground service associated with it is gone.

        val isSummaryCancel = reason == REASON_GROUP_SUMMARY_CANCELED

        if (entry == null) return false