gh-94938: Fix test (GH-95396)

(cherry picked from commit 0956b6d)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Author: miss-islington

Lib/test/test_call.py

@@ -18,11 +18,6 @@ def __hash__(self):
         # Guaranteed different hash
         return str.__hash__(self) ^ 3
 
-    def __eq__(self, other):
-        return False
-    def __hash__(self):
-        return str.__hash__(self)
-
 
 class FunctionCalls(unittest.TestCase):