Cleanup deprecated resource name helpers in v1 gapic client

[chingor13]

See https://github.com/googleapis/java-vision/blob/2d066858963a1f54a2d84071e452e276137d9848/synth.py#L34-L245

[mattcarrollcode]

Hey @chingor13 is this issue still relevent? Are you working on it?

[kweinmeister]

@eaball35 is this something that still needs to be fixed?

[suztomo]

Moving to google-cloud-java