Remove unneeded vars from a test

Author: banteg

tests/core/utilities/test_abi_named_tree.py

@@ -22,7 +22,6 @@
 
 def test_named_arguments_decode():
     data = named_arguments_tuple(abi, inputs)
-    s, t, a = data
     assert data == inputs
     assert data.s.c[2].y == 10
     assert data.t.x == 11