[xen master] tools/configure.ac: Remove left over system_aio

[patchbot@xxxxxxx]

commit 71643161782e1257b2dcb6cebcb6a67467ac42ad
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Mon Dec 6 17:01:45 2021 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Dec 9 16:26:29 2021 +0000

    tools/configure.ac: Remove left over system_aio
    
    system_aio isn't set since 3d4678108a (tools: remove in tree libaio).
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/configure    | 2 --
 tools/configure.ac | 1 -
 2 files changed, 3 deletions(-)

diff --git a/tools/configure b/tools/configure
index 21e3a83795..8e4a59c2cb 100755
--- a/tools/configure
+++ b/tools/configure
@@ -641,7 +641,6 @@ PTHREAD_LIBS
 PTHREAD_LDFLAGS
 PTHREAD_CFLAGS
 EXTFS_LIBS
-system_aio
 zlib
 libzstd_LIBS
 libzstd_CFLAGS
@@ -8772,7 +8771,6 @@ $as_echo "yes" >&6; }
 fi
 
 
-
 ac_fn_c_check_header_mongrel "$LINENO" "ext2fs/ext2fs.h" 
"ac_cv_header_ext2fs_ext2fs_h" "$ac_includes_default"
 if test "x$ac_cv_header_ext2fs_ext2fs_h" = xyes; then :
 
diff --git a/tools/configure.ac b/tools/configure.ac
index 3ac62626a5..5a4fb9022d 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -402,7 +402,6 @@ AC_CHECK_LIB([lzo2], [lzo1x_decompress], [zlib="$zlib 
-DHAVE_LZO1X -llzo2"])
 PKG_CHECK_MODULES([libzstd], [libzstd],
     [zlib="$zlib -DHAVE_ZSTD $libzstd_CFLAGS $libzstd_LIBS"], [true])
 AC_SUBST(zlib)
-AC_SUBST(system_aio)
 AX_CHECK_EXTFS
 AX_CHECK_PTHREAD
 AX_CHECK_PTYFUNCS
--
generated by git-patchbot for /home/xen/git/xen.git#master