Remove astroid from dependencies

[farmio]

Description

Pylint 2.9.0 requires fixed astroid version. See pylint-dev/astroid#942
Reverts 2ac2b6b

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• I have performed a self-review of my own code
• The documentation has been adjusted accordingly
• The changes generate no new warnings
• Tests have been added that prove the fix is effective or that the feature works
• The changes are documented in the changelog
• The Homeassistant plugin has been adjusted in case of new config options

[codecov]

Codecov Report

Merging #730 (a39c816) into main (46582d3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #730   +/-   ##
=======================================
  Coverage   94.65%   94.65%           
=======================================
  Files         106      106           
  Lines        6637     6637           
=======================================
  Hits         6282     6282           
  Misses        355      355