build system: autogen.sh not needed; »autoreconf -fi« suffices

diff --git a/autogen.sh b/autogen.sh
deleted file mode 100755 (executable)
index 9ad2906..0000000
--- a/autogen.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-
-set -e
-
-aclocal
-autoheader
-libtoolize --copy
-automake --add-missing --copy
-autoconf