[Config] Replace custom property decorator

deluge/config.py

@@ -51,23 +51,6 @@ from deluge.common import JSON_FORMAT, get_default_config_dir
 log = logging.getLogger(__name__)
 
 
-def prop(func):
-    """Function decorator for defining property attributes
-
-    The decorated function is expected to return a dictionary
-    containing one or more of the following pairs:
-
-        fget - function for getting attribute value
-        fset - function for setting attribute value
-        fdel - function for deleting attribute
-
-    This can be conveniently constructed by the locals() builtin
-    function; see:
-    http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/205183
-    """
-    return property(doc=func.__doc__, **func())
-
-
 def find_json_objects(text, decoder=json.JSONDecoder()):
     """Find json objects in text.
 
@@ -546,14 +529,11 @@ class Config:
     def config_file(self):
         return self.__config_file
 
-    @prop
-    def config():  # pylint: disable=no-method-argument
+    @property
+    def config(self):
         """The config dictionary"""
+        return self.__config
 
-        def fget(self):
-            return self.__config
-
-        def fdel(self):
-            return self.save()
-
-        return locals()
+    @config.deleter
+    def config(self):
+        return self.save()