remove nightly and add maintenance ota path

Change-Id: I1fe83bc94bda5f30d3d5215420fda5693b96d150
diff --git a/config/common.mk b/config/common.mk
index a7819d3..bf7f2fd 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -241,8 +241,8 @@
   BLISS_DONATE =: http://goo.gl/31q5YL
 endif
 BLISS_OTA_BUILDDIR := Official
-ifeq ($(BLISS_BUILDTYPE),NIGHTLY)
-  BLISS_OTA_BUILDDIR := Nightlies
+ifeq ($(BLISS_BUILDTYPE),MAINTENANCE)
+  BLISS_OTA_BUILDDIR := Maintenance
 endif
 BLISS_BASE_URL    := http://downloads.blissroms.com/Bliss
 ifeq ($(BLISS_DEVICE_URL),)