domoticz: remove python3.9 linking hack

Adding -lpython3.9 to TARGET_LDFLAGS is not needed now that domoticz has
proper support for it.

Fixes: edfb91f33 ("domoticz: update to 2021.1")
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

utils/domoticz/Makefile

@@ -75,7 +75,6 @@ CMAKE_OPTIONS += \
 
 TARGET_CFLAGS += -flto
 TARGET_CXXFLAGS += -DWITH_GPIO -flto
-TARGET_LDFLAGS += -lpython3.9
 
 define Build/Prepare
 	$(call Build/Prepare/Default)