File Browser: add back Delete, which now moves files to the trash

In Blender 2.7 delete would permanently delete files, now this function is back
but using more standard behavior.

This patch includes code contributed by Kris (Metricity).

Differential Revision: https://developer.blender.org/D4585

release/scripts/startup/bl_ui/space_filebrowser.py

@@ -469,7 +469,12 @@ class FILEBROWSER_MT_context_menu(Menu):
         layout.separator()
 
         layout.operator("file.rename", text="Rename")
-        # layout.operator("file.delete")
+        sub = layout.row()
+        sub.operator_context = 'EXEC_DEFAULT'
+        sub.operator("file.delete", text="Delete")
+
+        layout.separator()
+
         sub = layout.row()
         sub.operator_context = 'EXEC_DEFAULT'
         sub.operator("file.directory_new", text="New Folder")
@@ -503,5 +508,6 @@ classes = (
 
 if __name__ == "__main__":  # only for live edit.
     from bpy.utils import register_class
+
     for cls in classes:
         register_class(cls)