removed saxo

[jayacryl]

Checklist

• [ ] The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• [ ] Links to related issues (if applicable)
• [ ] Tests for the changes have been added/updated (if applicable)
• [ ] Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• [ ] For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

Summary by CodeRabbit

• Documentation

  • Updated the README to remove "Saxo Bank" from the list of companies using DataHub.

• Website Changes

  • Removed "Saxo Bank" from the displayed logos under the "Financial & Fintech" category, streamlining the list while retaining the overall structure for future use.