UnXFAIL test_inequalities_symbol_name_same

on top of https://github.com/sympy/sympy/pull/7861
to elaborate, there are all sorts of special cases down the `__lt__` path.  If we make sure `Lt` goes down that same path then we get all those special cases.  Otherwise, there is the potential for different results.

My goal in #7838 was identical results in all cases, now and in the future.