Delete Payment Probes on LND 0.14.1-beta and above

[michaelWuensch]

Description

This PR adds automatic payment probe deletion which is possible since lnd 0.14.0 We don't need those payment probes stored in LNDs database, it just bloats it. It also simplifies the payment probe request by removing support for old versions.

Motivation and Context

Performance improvement

How Has This Been Tested?

My S9

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the Contribution document.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.