removing the free Pro upgrade mentions from the Upgrade dialog

import android.app.Activity

import androidx.appcompat.app.AlertDialog

import com.simplemobiletools.commons.R

import com.simplemobiletools.commons.extensions.baseConfig

import com.simplemobiletools.commons.extensions.launchUpgradeToProIntent

import com.simplemobiletools.commons.extensions.launchViewIntent

import com.simplemobiletools.commons.extensions.setupDialogStuff

import kotlinx.android.synthetic.main.dialog_upgrade_to_pro.view.*

class UpgradeToProDialog(val activity: Activity) {

    private val packageName = activity.baseConfig.appId.removeSuffix(".debug")

    private val FIRST_APPS_FREE_TILL = 1541980800000L     // November 12

    private val NOV_12 = "Nov 12 2018"

    private val CONTACTS_FREE_TILL = 1542153600000L     // November 14

    private val NOV_14 = "Nov 14 2018"

    private val NOTES_FREE_TILL = 1542326400000L     // November 16

    private val NOV_16 = "Nov 16 2018"

    private val CALENDAR_FREE_TILL = 1543017600000L     // November 24

    private val NOV_24 = "Nov 24 2018"

    init {

        var text = activity.getString(R.string.upgrade_to_pro_long)

        if ((packageName.endsWith("draw") || packageName.endsWith("gallery") || packageName.endsWith("filemanager")) && System.currentTimeMillis() < FIRST_APPS_FREE_TILL) {

            val freeTill = String.format(activity.getString(R.string.it_is_free), NOV_12)

            text += "\n$freeTill"

        } else if (packageName.endsWith("contacts") && System.currentTimeMillis() < CONTACTS_FREE_TILL) {

            val freeTill = String.format(activity.getString(R.string.it_is_free), NOV_14)

            text += "\n$freeTill"

        } else if (packageName.endsWith("notes") && System.currentTimeMillis() < NOTES_FREE_TILL) {

            val freeTill = String.format(activity.getString(R.string.it_is_free), NOV_16)

            text += "\n$freeTill"

        } else if (packageName.endsWith("calendar") && System.currentTimeMillis() < CALENDAR_FREE_TILL) {

            val freeTill = String.format(activity.getString(R.string.it_is_free), NOV_24)

            text += "\n$freeTill"

        }

        val view = activity.layoutInflater.inflate(R.layout.dialog_upgrade_to_pro, null).apply {

            upgrade_to_pro.text = text

            upgrade_to_pro.text = activity.getString(R.string.upgrade_to_pro_long)

        }

        AlertDialog.Builder(activity)