Tidy: Sort/remove usings, simplify names

Disco.Services/Documents/AttachmentImport/ImportDirectoryMonitor.cs

@@ -73,7 +73,7 @@ namespace Disco.Services.Documents.AttachmentImport
 
         public void ScheduleCurrentFiles(int ImportDelay)
         {
-            foreach (var filename in Directory.GetFiles(this.MonitorLocation, "*.pdf"))
+            foreach (var filename in Directory.GetFiles(MonitorLocation, "*.pdf"))
             {
                 ScheduleImport(filename, ImportDelay);
             }

Disco.Services/Documents/AttachmentImport/ImporterCleanCacheJob.cs

@@ -1,5 +1,4 @@
 using Disco.Data.Repository;
-using Disco.Services.Logging;
 using Disco.Services.Tasks;
 using Quartz;
 using System;
@@ -20,7 +19,7 @@ namespace Disco.Services.Documents.AttachmentImport
             // Trigger Daily @ 12:30am
             TriggerBuilder triggerBuilder = TriggerBuilder.Create().WithSchedule(CronScheduleBuilder.DailyAtHourAndMinute(0, 30));
 
-            this.ScheduleTask(triggerBuilder);
+            ScheduleTask(triggerBuilder);
         }
 
         protected override void ExecuteTask()

Disco.Services/Documents/AttachmentImport/ThumbnailUpdateTask.cs

@@ -55,7 +55,7 @@ namespace Disco.Services.Documents.AttachmentImport
                 var trigger = TriggerBuilder.Create()
                     .StartAt(DateTimeOffset.Now.AddMinutes(5));
 
-                this.ScheduleTask(trigger);
+                ScheduleTask(trigger);
             }
         }