revert accidental commit of test code

AC_CHECK_SIZEOF(time_t)

AC_CHECK_SIZEOF(off_t)

dnl now check if curl_off_t is larger than off_t

if test $ac_cv_sizeof_off_t -ge $ac_cv_sizeof_curl_off_t; then

  AC_MSG_WARN([curl_off_t was detected to be larger than off_t.])

fi

AC_CHECK_TYPE(long long,

   [AC_DEFINE(HAVE_LONGLONG, 1,

      [Define to 1 if the compiler supports the 'long long' data type.])]