Remove rules for autoconf'ing files from top-level Makefile


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11185 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 559cdfe..4cbf53a 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,6 @@
 DIRS += runtime
 endif
 
-
 include $(LEVEL)/Makefile.common
 
 test :: all
@@ -29,12 +28,6 @@
 
 tools-only: all
 
-configure: autoconf/configure.ac autoconf/aclocal.m4
-	cd autoconf && aclocal && autoconf -o ../configure configure.ac
-
-include/Config/config.h.in: autoconf/configure.ac autoconf/aclocal.m4
-	autoheader -I autoconf autoconf/configure.ac
-
 # Install support for llvm include files:
 .PHONY: install-includes