BUILD/MINOR: crd: do not require name for backend crd

this name is not used since ingress controller is generating backends with predefined names

Author: oktalz

crs/definition/ingress.v3.haproxy.org_backends.yaml

@@ -5069,8 +5069,7 @@ spec:
                 use_fcgi_app:
                   description: use fcgi app
                   type: string
-              required:
-                - name
+              required: []
               type: object
           required:
             - spec

crs/remove-fields-from-crds.sh

@@ -1,3 +1,6 @@
 #!/usr/bin/env bash
 
+# servers from the backend CRD v3
 yq -i 'del(.spec.versions[0].schema.openAPIV3Schema.properties.spec.properties.servers)' crs/definition/ingress.v3.haproxy.org_backends.yaml
+# name (required) from the backend CRD v3
+yq -i 'del(.spec.versions[0].schema.openAPIV3Schema.properties.spec.required[] | select(. == "name"))' crs/definition/ingress.v3.haproxy.org_backends.yaml