chore: simplify

Makefile

@@ -19,7 +19,6 @@ PLATFORM := linux/amd64,linux/arm64,linux/arm/v6
 
 # gokrazy image
 GOK_DIR := packaging/gokrazy
-GOK_NETDEV := user,id=net0,hostfwd=tcp::8080-:80,hostfwd=tcp::8022-:22,hostfwd=tcp::8888-:8080
 GOK := gok -i evcc --parent_dir $(GOK_DIR)
 IMAGE_FILE := evcc_$(TAG_NAME).img
 
@@ -120,17 +119,12 @@ gok-image:: gok
 	# gzip -f $(IMAGE_FILE)
 
 # run qemu
-gok-run:: gok
-	${GOK} vm run --netdev $(GOK_NETDEV)
-
-# run qemu on mac
-gok-mac:: gok
-	mv $(GOK_DIR)/evcc/config.json $(GOK_DIR)/evcc/linux.json
-	sed 's!"SerialConsole": "ttyAMA0,115200"!"KernelPackage": "github.com/gokrazy/kernel.arm64",'\\n'    "SerialConsole": "ttyAMA0,115200"!g' $(GOK_DIR)/evcc/linux.json > $(GOK_DIR)/evcc/config.json
-	${GOK} vm run --netdev $(GOK_NETDEV)
+gok-vm:: gok
+	${GOK} vm run --netdev user,id=net0,hostfwd=tcp::8080-:80,hostfwd=tcp::8022-:22,hostfwd=tcp::8888-:8080
 
+# update instance
 gok-update::
-	${GOK} update yes $(IMAGE_OPTIONS)
+	${GOK} update yes
 
 soc::
 	@echo Version: $(VERSION) $(SHA) $(BUILD_DATE)