Update autotools and remove cruft that kdevelop added for no reason

--- configure.in
+++ configure.in
@@ -1,30 +1,24 @@
 dnl without this order in this file, autoconf will not work!
 dnl the argument is a source file out of your sources. But
 dnl acinclude.m4 makes the job for all programs ;-)
-AC_INIT(acinclude.m4)
+AC_INIT(proxychains,2.1)
 
 dnl enable the following if you want to use autoconf/automake
 dnl framework from a certain directory (like kde-common)
 dnl AC_CONFIG_AUX_DIR(admin)
 
 AC_CANONICAL_SYSTEM
-AC_ARG_PROGRAM
 
-AM_INIT_AUTOMAKE(proxychains,2.1)
+AM_INIT_AUTOMAKE
 
 AC_PREFIX_DEFAULT(/usr)
-if test "x$prefix" = "xNONE"; then
-  prefix=$ac_default_prefix
-  ac_configure_args="$ac_configure_args --prefix $prefix"
-fi
 
 dnl without this order in this file, automake will be confused!
 dnl 
 AM_CONFIG_HEADER(config.h)
 
-dnl checks for programs.
-dnl first check for c compiler
-AC_CHECK_C_COMPILER
+AC_PROG_CC
+AC_PROG_LIBTOOL
 
 dnl create only shared libtool-libraries
 AC_ENABLE_SHARED(yes)
@@ -33,44 +27,6 @@
 dnl libtool-libraries
 AC_ENABLE_STATIC(no)
 
-dnl create a working libtool-script
-if test -z "$LIBTOOL"; then
-  AC_LANG_SAVE
-  AC_LANG_C
-  AC_LIBTOOL_DLOPEN
-  AM_PROG_LIBTOOL
-  dnl LIBTOOL="$LIBTOOL --silent"
-  dnl AC_SUBST(LIBTOOL)
-  AC_LANG_RESTORE
-  LIBTOOL_SHELL='/bin/sh ./libtool'
-else
-  LIBTOOL_SHELL=$LIBTOOL
-fi
-
-dnl check for presence of dynamic-loading-library functions
-KDE_CHECK_LIBDL
-
-dnl activate the following for some additional tests
-dnl   (compat, crypt, socket, nsl, ...)
-dnl KDE_MISC_TESTS
-
-dnl add --with-extra-includes and --with-extra-libs switch to ./configure
-dnl 
-AC_REQUIRE([KDE_CHECK_EXTRA_LIBS])
-all_libraries="$all_libraries $USER_LDFLAGS"
-all_includes="$all_includes $USER_INCLUDES"
-AC_SUBST(all_includes)
-AC_SUBST(all_libraries)
-
-AC_SUBST(AUTODIRS)
-
-dnl in this space add everything you want to check for
-dnl examples are specific headers, libraries, etc.
-
-
-
-dnl perform program name transformation
-AC_ARG_PROGRAM
 
 dnl add here all your Makefiles. These will be created by configure
 AC_OUTPUT(Makefile proxychains/Makefile proxychains/docs/Makefile proxychains/docs/en/Makefile )