Remove YAML documentation for Solar-log

[Ernst79]

Proposed change

This PR removes YAML configuration documentation for the Solar-log integration.

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logo's and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: #43484
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue:

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

[Ernst79]

ase change the target branch of this PR to current and rebase if needed. If this is documentation for a new feature, please add a link to that PR in your description.
(message by DocsTargetBranch)

next is correct, changes will be in the next HA update.

[frenck]

✅ Approved. Can be merged as soon as the parent PR gets merged.