Summary

• Update the British English translation: sort the strings and add a few "colours".
• When translating device names, translate the bracketed bus name separately.
• Some string cleanup.
• Fix an unused variable warning on non-Windows platforms.

Checklist

• Closes #xxx
• I have tested my changes locally and validated that the functionality works as intended
• I have discussed this with core contributors already
• This pull request requires changes to the ROM set
• This pull request requires changes to the asset set

References

N/A