Remove refresh interval configuration option from history graph card

[bdraco]

Proposed change

There is no longer a need to configure this as data is streamed live after #15112.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (thank you!)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Example configuration

Additional information

• This PR fixes or closes issue: fixes history-graph: wrong auto-refresh #13128
• This PR is related to issue or discussion:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[bdraco]

Thanks

[ildar170975]

Probably this option should be excluded from Docs:
https://www.home-assistant.io/dashboards/history-graph/#refresh_interval
?

home-assistant/home-assistant.io#26601