[axl_sl] removed non-functional implementation for format/calcFormatLength (for wchar_t on posix)
[axl_sl] removed non-functional implementation for format/calcFormatLength (for wchar_t on posix)

can only be done on windows with _vscwprintf; standard-compliant
vswprintf doesn't work properly (returns -1 instead of actual length)

vovkos/axl,vovkos/axl,vovkos/axl,vovkos/axl