remove eslint transformer for OMBInfo

[it-harrison]

Description

This PR removes an eslint transformer for the OMBInfo React component which has been removed from the component-library repo

Testing done

local testing

Screenshots

n/a

Acceptance criteria

• [ ]

Definition of done

• Changes have been tested in vets-website
• Changes have been tested in IE11, if applicable
• Documentation has been updated, if applicable
• A link has been provided to the originating GitHub issue (or connected to it via ZenHub)
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs

[jamigibbs]

I think the only thing left to do here is to update the eslint-plugin version number and publish the NPM package after it's merged.

vets-website will need to be updated with the latest version of that package too.