Remove Beta label from Sign in with Google

## Bug Description

Remove Beta label from Sign in with Google

## Screenshots

## Additional Context

- PHP Version:
- OS: [e.g. iOS]
- Browser: [e.g. chrome, safari]
- Plugin Version: [e.g. 22]
- Device: [e.g. iPhone6]

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## Acceptance criteria

*

## Implementation Brief

* [ ]

### Test Coverage

*

## QA Brief

*

## Changelog entry

*

Search the frontend source for the visible “Beta” label and the “Sign in with Google” UI entry point. Remove the label from that sign-in option, then run the relevant frontend checks and confirm the option displays without “Beta”.

Written by the indexing model from the issue text.