File no-stdcxx17.patch of Package mdds-2_0.23464

--- mdds-2.0.0/configure.ac	2021-09-10 01:35:08.000000000 +0200
+++ mdds-2.0.0/configure.ac	2022-01-27 16:12:53.426436644 +0100
@@ -21,8 +21,6 @@
 AC_SUBST(MISCDIR)
 AC_SUBST(QUICKCHECKDIR)
 
-AX_CXX_COMPILE_STDCXX_17([noext], [mandatory])
-
 CPPFLAGS="$CPPFLAGS -Wall -Wshadow -g -pedantic-errors"
 CPPFLAGS="$CPPFLAGS -I/usr/include -I/usr/local/include"