Remove golint because it's deprecated

golangci/golangci-lint#1892

Author: caboteria

Makefile

@@ -25,7 +25,6 @@ help: ## Display this help
 .PHONY: check
 check: ## Run some code quality checks
 	go vet ./...
-	golint -set_exit_status ./...
 	go test -race -short ./...
 
 run: ## Run the service using "go run" (KUBECONFIG needs to be set)