Disabling JSON schemas while they are not used

Change-Id: I1e7ac7751d0db3fe3966c63e2db1d1d0d69d462c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/Makefile b/Makefile
index 695c49e..396956c 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@
 
 PYANG_OPTIONS := -Werror
 
-all: $(PYTHON_MODELS) pyangbind $(PYTHON_JSONSCHEMAS)
+all: $(PYTHON_MODELS) pyangbind
 	$(MAKE) package
 
 $(OUT_DIR):