configure.in: do not create unnecessary verconf.h

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54757 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

configure.in

@@ -4282,11 +4282,9 @@ if test ${RUBY_LIB_VERSION_STYLE+set}; then
     echo "#define RUBY_LIB_VERSION_STYLE $RUBY_LIB_VERSION_STYLE"
     echo '#define STRINGIZE(x) x'
     test -f revision.h -o -f "${srcdir}/revision.h" || echo '#define RUBY_REVISION 0'
-    echo '#include "verconf.h"'
     echo '#include "version.h"'
     echo 'ruby_version=RUBY_LIB_VERSION'
     } > conftest.c
-    test -f verconf.h || > verconf.h
     ruby_version="`$CPP -I. -I"${srcdir}" -I"${srcdir}/include" conftest.c | sed '/^ruby_version=/!d;s/ //g'`"
     eval $ruby_version
 elif test -z "${ruby_version}"; then