Customize the make delete-all in order to not show log errors for the user

Deleting Mobile Security Service and Database:
kubectl delete -f deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservice_cr.yaml
Error from server (NotFound): error when deleting "deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservice_cr.yaml": the server could not find the requested resource (delete mobilesecurityservices.mobile-security-service.aerogear.com mobile-security-service-app)
make[1]: [delete-app] Error 1 (ignored)
kubectl delete -f deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservicedb_cr.yaml
Error from server (NotFound): error when deleting "deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservicedb_cr.yaml": the server could not find the requested resource (delete mobilesecurityservicedbs.mobile-security-service.aerogear.com mobile-security-service-db)
make[1]: [delete-app] Error 1 (ignored)
make delete-bind
Deleting Mobile Security Service Bind:
kubectl delete -f deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservicebind_cr.yaml
Error from server (NotFound): error when deleting "deploy/crds/mobile-security-service_v1alpha1_mobilesecurityservicebind_cr.yaml": the server could not find the requested resource (delete mobilesecurityservicebinds.mobile-security-service.aerogear.com mobile-security-service-bind)
make[1]: *** [delete-bind] Error 1
make: [delete-all] Error 2 (ignored)
kubectl delete namespace mobile-security-service-operator
namespace "mobile-security-service-operator" deleted

Why

Better user experience.