[linux-user-chroot] Drop -newnet variant

[Colin Walters <walters src gnome org>]

commit add404693b04c56dda2f33398390a6f20263f87c
Author: Colin Walters <walters verbum org>
Date:   Tue Sep 1 14:26:03 2015 -0400

    Drop -newnet variant
    
    This was just a hack which worked around a RHEL6 kernel bug.  I no
    longer care about RHEL6; linux-user-chroot is now just RHEL7 only.

 Makefile-user-chroot.am        |    6 --
 README.newnet                  |   42 -------------
 configure.ac                   |    6 --
 src/linux-user-chroot-newnet.c |  128 ----------------------------------------
 4 files changed, 0 insertions(+), 182 deletions(-)
---
diff --git a/Makefile-user-chroot.am b/Makefile-user-chroot.am
index 66f8eb4..5d0504f 100644
--- a/Makefile-user-chroot.am
+++ b/Makefile-user-chroot.am
@@ -25,12 +25,6 @@ linux_user_chroot_SOURCES = \
 linux_user_chroot_CFLAGS = $(AM_CFLAGS) $(LIBSECCOMP_CFLAGS)
 linux_user_chroot_LDFLAGS = $(LIBSECCOMP_LIBS)
 
-if BUILD_NEWNET_HELPER
-bin_PROGRAMS += linux-user-chroot-newnet
-endif
-
-linux_user_chroot_newnet_SOURCES = src/linux-user-chroot-newnet.c
-
 linux_user_chroot_newnet_CFLAGS = $(AM_CFLAGS)
 
 if BUILD_DOCUMENTATION
diff --git a/configure.ac b/configure.ac
index 3d2ca86..69c110c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,12 +34,6 @@ AC_ARG_ENABLE(documentation,
               enable_documentation=yes)
 AM_CONDITIONAL(BUILD_DOCUMENTATION, test x$enable_documentation = xyes)
 
-AC_ARG_ENABLE(newnet-helper,
-              AC_HELP_STRING([--enable-newnet-helper],
-                             [build newnet helper (see README.newnet)]),,
-              enable_newnet_helper=no)
-AM_CONDITIONAL(BUILD_NEWNET_HELPER, test x$enable_newnet_helper = xyes)
-
 AC_CONFIG_FILES([
 Makefile
 ])