Merge pull request #2834 from nvmkuruc/vtseq

Replace `BOOST_PP_SEQ` with `TF_PP_SEQ` in `vt` and `tf`

(Internal change: 2308315)

diff --cc pxr/base/vt/visitValue.h
index f1c83883a4f61f8311b7ece51bbd1eed18d9ffb5,07c911ef79659815e39592f386f3f08be0dea40f..f8e5dc090053065aa6370fe3da346ecabe79fc39
--- 1/pxr/base/vt/visitValue.h
--- 2/pxr/base/vt/visitValue.h
+++ b/pxr/base/vt/visitValue.h
@@@ -109,7 -109,7 +109,7 @@@ auto VtVisitValue(VtValue const &value
      switch (value.GetKnownValueTypeIndex()) {
  
  // Cases for known types.
- #define VT_CASE_FOR_TYPE_INDEX(r, unused, elem)                                \
 -#define VT_CASE_FOR_TYPE_INDEX(unused, elem)                                \
++#define VT_CASE_FOR_TYPE_INDEX(unused, elem)                                   \
          case VtGetKnownValueTypeIndex<VT_TYPE(elem)>():                        \
              return Vt_ValueVisitDetail::Visit<VT_TYPE(elem)>(                  \
                  value, std::forward<Visitor>(visitor), 0);                     \