chore: fix makefile duplication

Signed-off-by: rogerogers <[email protected]>

gomall/Makefile

@@ -19,21 +19,13 @@ gen: ## gen client code of {svc}. example: make gen svc=product
 	@scripts/gen.sh ${svc}
 
 .PHONY: gen-client
-gen-client: ## gen client code of {svc}. example: make gen svc=product
+gen-client: ## gen client code of {svc}. example: make gen-client svc=product
 	@cd rpc_gen && cwgo client --type RPC --service ${svc} --module github.com/cloudwego/biz-demo/gomall/rpc_gen  -I ../idl  --idl ../idl/${svc}.proto
 
 .PHONY: gen-server
 gen-server: ## gen service code of {svc}. example: make gen-server svc=product
 	@cd app/${svc} && cwgo server --type RPC --service ${svc} --module github.com/cloudwego/biz-demo/gomall/app/${svc} --pass "-use github.com/cloudwego/biz-demo/gomall/rpc_gen/kitex_gen"  -I ../../idl  --idl ../../idl/${svc}.proto
 
-.PHONY: gen-checkout-client
-gen-checkout-client:
-	@cd app/frontend && cwgo client -I ../../idl --type RPC --service checkout --module github.com/cloudwego/biz-demo/gomall/app/frontend --idl ../../idl/checkout.proto
-
-.PHONY: gen-order-client
-gen-order-client:
-	@cd app/frontend && cwgo client -I ../../idl --type RPC --service order --module github.com/cloudwego/biz-demo/gomall/app/frontend --idl ../../idl/order.proto
-
 .PHONY: gen-frontend
 gen-frontend:
 	@cd app/frontend && cwgo server -I ../../idl --type HTTP --service frontend --module github.com/cloudwego/biz-demo/gomall/app/frontend --idl ../../idl/frontend/checkout_page.proto