Maintenance: remove outdated macro AC_REVISION (#2344)

The value of this has not been meaningful since
we stopped committing ./configure to VCS
over 15 years ago.

diff --git a/configure.ac b/configure.ac
index ad5532de3edcd0aed9fc4363851f8f587e3e75f6..0872cfbcfef44230ad1b40e70918ac37ce16ca58 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,6 @@ AC_CONFIG_HEADERS([include/autoconf.h])
 AC_CONFIG_AUX_DIR(cfgaux)
 AC_CONFIG_SRCDIR([src/main.cc])
 AM_INIT_AUTOMAKE([tar-ustar nostdinc subdir-objects dist-xz])
-AC_REVISION($Revision$)dnl
 AC_PREFIX_DEFAULT(/usr/local/squid)
 AM_MAINTAINER_MODE