Python: Remove unnecessary comment

Was introduced in 5d031d7abe when I actually fixed
the loop variable capture problem.

python/tools/recorded-call-graph-metrics/src/cg_trace/utils.py

@@ -11,7 +11,6 @@ def better_compare_for_dataclass(cls):
     ]:
         old = getattr(cls, op)
 
-        # Fix loop variable capture (py/loop-variable-capture)
         def new(self, other, op=op, old=old):
             if type(self) == type(other):
                 return old(self, other)