To Delete a Layer
You can delete the selected layer or layers from their objects.
1. Select one or more layers in the Layer Tree.
2. Click 
and then click Delete Layer or right-click the layer name and click . The CONFIRMATION dialog box opens.
and then click Delete Layer or right-click the layer name and click . The CONFIRMATION dialog box opens.3. Click Yes to delete the selected layer or layers or click No to cancel the deletion.