Remove unnecessary __ne__ definitions

In Python 3, __ne__ defaults to the inverse of __eq__.

From https://docs.python.org/3/reference/datamodel.html#object.__ne__

> By default, __ne__() delegates to __eq__() and inverts the result
> unless it is NotImplemented.

1 files changed, 0 insertions, 4 deletions

diff --git a/sphinx/pycode/parser.py b/sphinx/pycode/parser.py
index 559083100..e1aa1f504 100644
--- a/sphinx/pycode/parser.py
+++ b/sphinx/pycode/parser.py
@@ -128,10 +128,6 @@ class Token:
         else:
             raise ValueError('Unknown value: %r' % other)
 
-    def __ne__(self, other):
-        # type: (Any) -> bool
-        return not (self == other)
-
     def match(self, *conditions):
         # type: (Any) -> bool
         return any(self == candidate for candidate in conditions)