[exporter/elasticsearch] Deprecate none and raw mapping mode

[carsonip]

Component(s)

exporter/elasticsearch

Is your feature request related to a problem? Please describe.

None and raw mapping mode are not useful in kibana UI

Describe the solution you'd like

Deprecate none and raw mapping mode, change mapping mode default to otel to deliver better user experience out of the box.

Describe alternatives you've considered

No response

Additional context

No response

[github-actions]

Pinging code owners:

• exporter/elasticsearch: @JaredTan95 @carsonip @lahsivjar

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[carsonip]

/label -needs-triage

[felixbarny]

This may be a bit of a controversial issue. I'd specifically like to get input from @JaredTan95 of your usage of the none and raw mapping modes. Would it be feasible for the use cases you know about to switch to the otel mapping mode?