feature/1475-delete-uploaded-files: enabled real file deletion

Signed-off-by: daniele-verducci <daniele.verducci@nextcloud.com>

Author: daniele-verducci

app/src/main/java/com/owncloud/android/operations/upload/DeleteUploadedFileOperation.kt

@@ -129,7 +129,7 @@ class DeleteUploadedFileOperation(
             }
 
             // File deletion
-            val deleted = true // localFile.delete()
+            val deleted = localFile.delete()
             if (deleted) {
                 Log_OC.i(TAG, "Deleted file ${localFile.name}")
                 filesRemoved++