Remove old limits struct

Author: mborland

include/boost/decimal/charconv.hpp

@@ -1394,18 +1394,6 @@ constexpr auto to_chars(char* first, char* last, DecimalType value, std::chars_f
 
 #endif // BOOST_DECIMAL_HAS_STD_CHARCONV
 
-BOOST_DECIMAL_EXPORT template <typename T>
-struct [[deprecated("Use formatting_limits instead")]] limits
-{
-    static constexpr int max_chars = boost::decimal::detail::max_string_length_v<T>;
-};
-
-#if !(defined(__cpp_inline_variables) && __cpp_inline_variables >= 201606L) && (!defined(_MSC_VER) || _MSC_VER != 1900)
-
-template <typename T> constexpr int limits<T>::max_chars;
-
-#endif
-
 } //namespace decimal
 } //namespace boost