Cleanup like and nlike utf8 kernels

[Dandandan]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
There is quite some repitition in the like / nlike utf8 kernels.

Describe the solution you'd like

Create a generic method that can handle like/nlike kernels.

Describe alternatives you've considered

Additional context

[alamb]

label_issue.py automatically added labels {'arrow'} from #2743