resource/udev: remove no-self-use disable

This is no longer required since pylint has moved it to an optional
extension, see [1].

[1]: https://pylint.readthedocs.io/en/latest/whatsnew/2/2.14/summary.html#removed-checkers.

Author: Emantor

labgrid/resource/udev.py

@@ -60,7 +60,7 @@ def __attrs_post_init__(self):
         self.match.setdefault('SUBSYSTEM', 'usb')
         super().__attrs_post_init__()
 
-    def filter_match(self, device):  # pylint: disable=unused-argument,no-self-use
+    def filter_match(self, device):  # pylint: disable=unused-argument
         return True
 
     def suggest_match(self, device):