deprecate ci benchmark dir

[lxning]

Description

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Please include a summary of the feature or issue being fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes #(issue)

Type of change

Please delete options that are not relevant.

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

Feature/Issue validation/testing

Please describe the Unit or Integration tests that you ran to verify your changes and relevant result summary. Provide instructions so it can be reproduced.
Please also list any relevant details for your test configuration.

PR deprecates benchmarks/automated directory, so ci/benchmark should be deprecated too.

• Test A
  Logs for Test A

• Test B
  Logs for Test B

Checklist:

• Did you have fun?
• Have you added tests that prove your fix is effective or that this feature works?
• Has code been commented, particularly in hard-to-understand areas?
• Have you made corresponding changes to the documentation?

[codecov]

Codecov Report

Merging #1658 (bc686cb) into master (be6226d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1658   +/-   ##
=======================================
  Coverage   45.28%   45.28%           
=======================================
  Files          64       64           
  Lines        2597     2597           
  Branches       60       60           
=======================================
  Hits         1176     1176           
  Misses       1421     1421           

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