Remove config work manager in sending ios

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 829a82c8649cad01fb9afc223259233533b767eb)

ios/Runner/AppDelegate.swift

@@ -3,7 +3,6 @@ import Flutter
 import flutter_downloader
 import receive_sharing_intent
 import flutter_local_notifications
-import workmanager
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
@@ -48,13 +47,7 @@ import workmanager
                 }
             }
         }
-        
-        WorkmanagerPlugin.setPluginRegistrantCallback { registry in
-            AppDelegate.registerPlugins(with: registry)
-        }
-        
-        WorkmanagerPlugin.registerTask(withIdentifier: "com.linagora.ios.teammail.sendingQueue")
-        
+
         return super.application(application, didFinishLaunchingWithOptions: launchOptions)
     }
     

ios/Runner/Info.plist

@@ -64,10 +64,6 @@
         <string>remote-notification</string>
 		<string>processing</string>
 	</array>
-    <key>BGTaskSchedulerPermittedIdentifiers</key>
-    <array>
-        <string>com.linagora.ios.teammail.sendingQueue</string>
-    </array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>