close mbtk_otad

Change-Id: Ie105d8243bbfc9f38864361d7473adc9ef68e8e0
diff --git a/mbtk/Makefile b/mbtk/Makefile
index 20257fa..fc87f45 100755
--- a/mbtk/Makefile
+++ b/mbtk/Makefile
@@ -15,7 +15,7 @@
 DIRS += mbtk_rild mbtk_servicesd mbtk_sdk_ready
 endif
 
-DIRS += aboot-tiny mbtk_adbd mbtk_logd mbtk_utils mbtk_utils_linux mbtk_gnssd mbtk_rtpd mbtk_otad
+DIRS += aboot-tiny mbtk_adbd mbtk_logd mbtk_utils mbtk_utils_linux mbtk_gnssd mbtk_rtpd
 
 # Build test file.
 DIRS += test
@@ -38,4 +38,4 @@
 	@for i in $(DIRS); do \
 		(cd $$i && echo "Cleaning $$i" && $(MAKE) clean) || exit 1; \
 	done
-	rm -rf $(OUT_DIR)
\ No newline at end of file
+	rm -rf $(OUT_DIR)