Updating and cleanup of XLIO parameters and specs

[AlexanderGrissik]

Description

Update and cleanup of XLIO parameters

What

1. Cleanup of rotten tests
2. Removal of deprecated XLIO_TX_BUFS and XLIO_RX_BUFS
3. Cleanup of unused parameters and specs
4. Updating RQ/STRQ defaults
5. Updating Nginx defaults
6. Adding nvme_bf3 new spec

Why ?

User experience and clean code base.

Change type

What kind of change does this PR introduce?

• [X] Bugfix
• [ ] Feature
• [ ] Code style update
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] Tests
• [ ] Other

Check list

• [X] Code follows the style de facto guidelines of this project
• [X] Comments have been inserted in hard to understand places
• [X] Documentation has been updated (if necessary)
• [X] Test has been added (if possible)