build: get rid of some redundant build dependencies

package/gluon-site/Makefile

@@ -9,7 +9,7 @@ PKG_VERSION:=$(if $(DUMP),x,$(GLUON_SITE_VERSION))
 
 PKG_CONFIG_DEPENDS := CONFIG_GLUON_RELEASE CONFIG_GLUON_SITEDIR
 PKG_FILE_DEPENDS := $(GLUON_SITEDIR)/site.conf $(GLUON_SITEDIR)/i18n/
-PKG_BUILD_DEPENDS := luci-base/host lua-cjson/host
+PKG_BUILD_DEPENDS := lua-cjson/host
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 

package/gluon.mk

@@ -1,5 +1,5 @@
 # Dependencies for LuaSrcDiet
-PKG_BUILD_DEPENDS += luci-base/host lua/host
+PKG_BUILD_DEPENDS += luci-base/host
 
 include $(INCLUDE_DIR)/package.mk