Remove defunct autostart from fread()

[MichaelChirico]

Finishing the deprecation cycle: 9fd1e22 -> #6653

[MichaelChirico]

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• Simplify error for := under with=FALSE #6834
• Remove defunct in.place argument to droplevels() method #6833
• Remove defunct autostart from fread() #6832 👈 (View in Graphite)
• Remove defunct 'logicalAsInt` from fwrite #6831
• master

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.64%. Comparing base (9762c01) to head (88edda8).

Additional details and impacted files

@@                Coverage Diff                @@
##           depr-logasint    #6832      +/-   ##
=================================================
- Coverage          98.64%   98.64%   -0.01%     
=================================================
  Files                 79       79              
  Lines              14640    14639       -1     
=================================================
- Hits               14442    14441       -1     
  Misses               198      198              

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[github-actions]

Generated via commit 88edda8

Download link for the artifact containing the test results: ↓ atime-results.zip

Task	Duration
R setup and installing dependencies	4 minutes and 38 seconds
Installing different package versions	8 minutes and 22 seconds
Running and plotting the test cases	2 minutes and 22 seconds