Remove unused CompositeDisposables

app/src/main/java/org/tasks/preferences/fragments/Advanced.kt

@@ -8,7 +8,6 @@ import androidx.preference.Preference
 import androidx.preference.SwitchPreferenceCompat
 import com.todoroo.astrid.dao.Database
 import dagger.hilt.android.AndroidEntryPoint
-import io.reactivex.disposables.CompositeDisposable
 import kotlinx.coroutines.launch
 import org.tasks.LocalBroadcastManager
 import org.tasks.PermissionUtil
@@ -39,7 +38,6 @@ class Advanced : InjectingPreferenceFragment() {
     @Inject lateinit var permissionChecker: PermissionChecker
     @Inject lateinit var localBroadcastManager: LocalBroadcastManager
 
-    private lateinit var disposables: CompositeDisposable
     private lateinit var calendarReminderPreference: SwitchPreferenceCompat
 
     override fun getPreferenceXml() = R.xml.preferences_advanced
@@ -120,18 +118,6 @@ class Advanced : InjectingPreferenceFragment() {
         }
     }
 
-    override fun onResume() {
-        super.onResume()
-
-        disposables = CompositeDisposable()
-    }
-
-    override fun onPause() {
-        super.onPause()
-
-        disposables.dispose()
-    }
-
     private fun initializeCalendarReminderPreference() {
         calendarReminderPreference.onPreferenceChangeListener =
             Preference.OnPreferenceChangeListener { _, newValue ->

app/src/main/java/org/tasks/ui/ActionViewModel.kt

@@ -1,13 +1,14 @@
 package org.tasks.ui
 
-import androidx.lifecycle.*
-import io.reactivex.disposables.CompositeDisposable
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.launch
 
 open class ActionViewModel : ViewModel() {
     private val completed = MutableLiveData<Boolean>()
     private val error = MutableLiveData<Throwable>()
-    private val disposables = CompositeDisposable()
 
     var inProgress = false
         private set
@@ -36,6 +37,4 @@ open class ActionViewModel : ViewModel() {
             inProgress = false
         }
     }
-
-    override fun onCleared() = disposables.clear()
 }