Refactor the plugin versioning to be simpler to define.

volatility/framework/plugins/linux/pslist.py

@@ -21,7 +21,6 @@
 from typing import Callable, Iterable, List, Any
 
 import volatility.framework.interfaces.plugins as interfaces_plugins
-from volatility import classproperty
 from volatility.framework import renderers, interfaces, contexts
 from volatility.framework.automagic import linux
 from volatility.framework.configuration import requirements
@@ -31,9 +30,7 @@ from volatility.framework.objects import utility
 class PsList(interfaces_plugins.PluginInterface):
     """Lists the processes present in a particular linux memory image"""
 
-    @classproperty
-    def version(cls):
-        return (1, 0, 0)
+    _version = (1, 0, 0)
 
     @classmethod
     def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]: