Remove validation for the IP protocol type (#6271)
Remove validation for the IP protocol type (#6271)

* Update api.yaml

Remove validation for the protocol type

* Resolve Build errors for removing IP protocol validation
GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules,GoogleCloudPlatform/magic-modules