ARROW-17831: [Python][Docs] PyArrow Architecture page outdated after moving pyarrow C++ code

[AlenkaF]

No description provided.

[github-actions]

https://issues.apache.org/jira/browse/ARROW-17831

[jorisvandenbossche]

This can be undrafted now #14275 is merged?

[ursabot]

Benchmark runs are scheduled for baseline = 06c99f7 and contender = 3d7f2f2. 3d7f2f2 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Finished ⬇️0.0% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Failed ⬇️1.11% ⬆️0.0%] test-mac-arm
[Failed ⬇️0.0% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.25% ⬆️0.0%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] 3d7f2f22 ec2-t3-xlarge-us-east-2
[Failed] 3d7f2f22 test-mac-arm
[Failed] 3d7f2f22 ursa-i9-9960x
[Finished] 3d7f2f22 ursa-thinkcentre-m75q
[Finished] 06c99f7a ec2-t3-xlarge-us-east-2
[Failed] 06c99f7a test-mac-arm
[Failed] 06c99f7a ursa-i9-9960x
[Finished] 06c99f7a ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

[ursabot]

['Python', 'R'] benchmarks have high level of regressions.
ursa-i9-9960x