Remove WorkManager bug workaround

app/src/main/kotlin/org/koitharu/kotatsu/KotatsuApp.kt

@@ -23,7 +23,6 @@ import org.acra.sender.HttpSender
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.os.AppValidator
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.util.WorkServiceStopHelper
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.local.data.PagesCache
@@ -73,7 +72,6 @@ class KotatsuApp : Application(), Configuration.Provider {
 			setupDatabaseObservers()
 		}
 		workScheduleManager.init()
-		WorkServiceStopHelper(workManagerProvider).setup()
 	}
 
 	override fun attachBaseContext(base: Context?) {

app/src/main/kotlin/org/koitharu/kotatsu/core/util/WorkServiceStopHelper.kt

@@ -1,48 +0,0 @@
-package org.koitharu.kotatsu.core.util
-
-import android.annotation.SuppressLint
-import androidx.lifecycle.asFlow
-import androidx.work.WorkInfo
-import androidx.work.WorkManager
-import androidx.work.WorkQuery
-import androidx.work.impl.foreground.SystemForegroundService
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.flow.distinctUntilChanged
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.launch
-import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
-import javax.inject.Provider
-
-/**
- * Workaround for issue
- * https://issuetracker.google.com/issues/270245927
- * https://issuetracker.google.com/issues/280504155
- */
-class WorkServiceStopHelper(
-	private val workManagerProvider: Provider<WorkManager>,
-) {
-
-	fun setup() {
-		processLifecycleScope.launch(Dispatchers.Default) {
-			workManagerProvider.get()
-				.getWorkInfosLiveData(WorkQuery.fromStates(WorkInfo.State.RUNNING))
-				.asFlow()
-				.map { it.isEmpty() }
-				.distinctUntilChanged()
-				.collectLatest {
-					if (it) {
-						delay(1_000)
-						stopWorkerService()
-					}
-				}
-		}
-	}
-
-	@SuppressLint("RestrictedApi")
-	private fun stopWorkerService() {
-		SystemForegroundService.getInstance()?.stop()
-	}
-}
-