remove poll in check layer

OP_setup_layers.py

@@ -195,10 +195,9 @@ class GPEXP_OT_layers_state(bpy.types.Operator):
     hide_invisible_materials : BoolProperty(name='Hide Materials named invisible',
         default=True, description='Hide material with name starting with "invisible"') # , options={'SKIP_SAVE'}
 
-
-    @classmethod
-    def poll(cls, context):
-        return context.object and context.object.type == 'GPENCIL'
+    # @classmethod
+    # def poll(cls, context):
+    #     return context.object
 
     def invoke(self, context, event):