button to remove presets.

note: this is an option to the add preset operator which is a bit odd but easiest since these classes have all the info needed for removal as well.

release/scripts/ui/properties_physics_cloth.py

@@ -87,6 +87,7 @@ class PHYSICS_PT_cloth(PhysicButtonsPanel, bpy.types.Panel):
             sub = col.row(align=True)
             sub.menu("CLOTH_MT_presets", text=bpy.types.CLOTH_MT_presets.bl_label)
             sub.operator("cloth.preset_add", text="", icon="ZOOMIN")
+            sub.operator("cloth.preset_add", text="", icon="ZOOMOUT").remove_active = True
 
             col.label(text="Quality:")
             col.prop(cloth, "quality", text="Steps", slider=True)