Remove unnecessary substitution of type params when generating vtable methods. #11386
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So, like I mentioned in issue #10955 it doesn't seem like we need to call
ty::subst_tps
when the method is generic. But then I realized that this function doesn't mutate any of its input, and the return value is unused. Plus the type param substitution seems to be taken care of intrans_fn_ref_with_vtables
, so I thought I'd just try to remove it. As far as I can tell everything works.This closes #10955.