refactor vector type traits by removing conditional compilation for vector types below version 13.0

Author: fbusato

libcudacxx/include/cuda/__type_traits/vector_type.h

@@ -408,63 +408,51 @@ template <>
 inline constexpr bool __is_vector_type_v<::long2> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::long3> = true;
-#  if _CCCL_CTK_AT_LEAST(13, 0)
 template <>
 inline constexpr bool __is_vector_type_v<::long4_16a> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::long4_32a> = true;
-#  else // ^^^ _CCCL_CTK_AT_LEAST(13, 0) ^^^ / vvv _CCCL_CTK_BELOW(13, 0) vvv
 template <>
 inline constexpr bool __is_vector_type_v<::long4> = true;
-#  endif // ^^^ _CCCL_CTK_BELOW(13, 0) ^^^
 
 template <>
 inline constexpr bool __is_vector_type_v<::ulong1> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulong2> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulong3> = true;
-#  if _CCCL_CTK_AT_LEAST(13, 0)
 template <>
 inline constexpr bool __is_vector_type_v<::ulong4_16a> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulong4_32a> = true;
-#  else // ^^^ _CCCL_CTK_AT_LEAST(13, 0) ^^^ / vvv _CCCL_CTK_BELOW(13, 0) vvv
 template <>
 inline constexpr bool __is_vector_type_v<::ulong4> = true;
-#  endif // ^^^ _CCCL_CTK_BELOW(13, 0) ^^^
 
 template <>
 inline constexpr bool __is_vector_type_v<::longlong1> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::longlong2> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::longlong3> = true;
-#  if _CCCL_CTK_AT_LEAST(13, 0)
 template <>
 inline constexpr bool __is_vector_type_v<::longlong4_16a> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::longlong4_32a> = true;
-#  else // ^^^ _CCCL_CTK_AT_LEAST(13, 0) ^^^ / vvv _CCCL_CTK_BELOW(13, 0) vvv
 template <>
 inline constexpr bool __is_vector_type_v<::longlong4> = true;
-#  endif // ^^^ _CCCL_CTK_BELOW(13, 0) ^^^
 
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong1> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong2> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong3> = true;
-#  if _CCCL_CTK_AT_LEAST(13, 0)
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong4_16a> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong4_32a> = true;
-#  else // ^^^ _CCCL_CTK_AT_LEAST(13, 0) ^^^ / vvv _CCCL_CTK_BELOW(13, 0) vvv
 template <>
 inline constexpr bool __is_vector_type_v<::ulonglong4> = true;
-#  endif // ^^^ _CCCL_CTK_BELOW(13, 0) ^^^
 
 template <>
 inline constexpr bool __is_vector_type_v<::float1> = true;
@@ -481,15 +469,12 @@ template <>
 inline constexpr bool __is_vector_type_v<::double2> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::double3> = true;
-#  if _CCCL_CTK_AT_LEAST(13, 0)
 template <>
 inline constexpr bool __is_vector_type_v<::double4_16a> = true;
 template <>
 inline constexpr bool __is_vector_type_v<::double4_32a> = true;
-#  else // ^^^ _CCCL_CTK_AT_LEAST(13, 0) ^^^ / vvv _CCCL_CTK_BELOW(13, 0) vvv
 template <>
 inline constexpr bool __is_vector_type_v<::double4> = true;
-#  endif // ^^^ _CCCL_CTK_BELOW(13, 0) ^^^
 
 template <>
 inline constexpr bool __is_vector_type_v<::dim3> = true;