remove unneccesary files

configure.ac

@@ -1,12 +0,0 @@
-AC_INIT([begin], [0.1], [mik@elnord.in],
-             [begin], [https://github.com/mickenordin/begin])
-AC_PREREQ([2.59])
-AM_INIT_AUTOMAKE([1.10 -Wall no-define])
-AC_CONFIG_HEADERS([config.h])
-AC_PROG_CXX
-AC_CONFIG_FILES([Makefile])
-AC_OUTPUT
-AC_LANG_PUSH([C++])
-AC_CHECK_HEADERS([boost/xpressive/xpressive.hpp], [],
-    [AC_MSG_ERROR(You need the Boost Xpressive library.)])
-AC_LANG_POP([C++])