refactor: removed useless command

Author: cheina97

Makefile

@@ -13,7 +13,7 @@ else
 SED_COMMAND=sed -i -n '/rules/,$$p'
 endif
 
-generate: generate-controller generate-groups rbacs manifests fmt
+generate: generate-groups rbacs manifests fmt
 
 #generate helm documentation
 docs: helm-docs ctldocs
@@ -147,9 +147,6 @@ endif
 staticcheck: nilaway
 	$(NILAWAY) -include-pkgs github.com/liqotech/liqo ./...
 
-generate-controller: controller-gen
-	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./apis/..."
-
 generate-groups:
 	if [ ! -d  "hack/code-generator" ]; then \
 		git clone --depth 1 -b v0.31.1 https://github.com/kubernetes/code-generator.git hack/code-generator; \