build.sh removed from makefile

diff --git a/1.7.0/c/samples/Makefile.am b/1.7.0/c/samples/Makefile.am
index 5d73643..9eef567 100644
--- a/1.7.0/c/samples/Makefile.am
+++ b/1.7.0/c/samples/Makefile.am
@@ -19,4 +19,4 @@
 	rm -rf `find $(distdir)/ -type d -name .deps`
 	rm -rf `find $(distdir)/ -type d -name .libs`
 
-EXTRA_DIST=codegen autogen.sh build.sh
+EXTRA_DIST=codegen autogen.sh