chore: remove the legacy docaary GA script

[nan-wang]

Pull Request Title

Description

Please describe what your PR is doing and why. Are there any parts which need extra attention during review? Are there any dependencies from other PRs or projcts? Is this a breaking change?

Is this PR ready or work in progress (WIP)? Ready means it can be reviewed and merged from the author's perspective. If the PR is WIP: Make it a draft PR and state open questions and TODO items.

Closes # (issue)

[codecov]

Codecov Report

Merging #4325 (b93c25a) into master (bfd5357) will decrease coverage by 0.07%.
The diff coverage is 88.51%.

@@            Coverage Diff             @@
##           master    #4325      +/-   ##
==========================================
- Coverage   87.73%   87.66%   -0.08%     
==========================================
  Files         113      113              
  Lines        8254     8311      +57     
==========================================
+ Hits         7242     7286      +44     
- Misses       1012     1025      +13     

Flag	Coverage Δ
daemon	42.04% <13.51%> (-0.17%)	⬇️
jina	87.41% <88.51%> (+0.48%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
jina/parsers/flow.py	100.00% <ø> (ø)
jina/parsers/orchestrate/base.py	100.00% <ø> (ø)
jina/parsers/orchestrate/runtimes/worker.py	100.00% <ø> (ø)
jina/serve/networking.py	71.27% <ø> (-12.47%)	⬇️
jina/clients/mixin.py	87.03% <75.00%> (-3.44%)	⬇️
jina/hubble/hubio.py	86.15% <75.00%> (+5.98%)	⬆️
jina/orchestrate/flow/base.py	91.00% <88.88%> (-0.07%)	⬇️
jina/excepts.py	100.00% <100.00%> (ø)
jina/helper.py	81.90% <100.00%> (+0.03%)	⬆️
jina/jaml/__init__.py	94.29% <100.00%> (-1.15%)	⬇️
... and 14 more

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[github-actions]

Latency summary

Current PR yields:

• 🐢🐢 index QPS at 935, delta to last 2 avg.: -35%
• 🐎🐎🐎🐎 query QPS at 39, delta to last 2 avg.: +30%
• 🐎🐎🐎🐎 avg flow time within 1.7939 seconds, delta to last 2 avg.: +36%
• 🐎🐎🐎🐎 import jina within 0.4179 seconds, delta to last 2 avg.: +15%

Breakdown

Version	Index QPS	Query QPS	Avg Flow Time (s)	Import Time (s)
current	935	39	1.7939	0.4179
2.6.4	1389	27	1.334	0.3859
2.6.3	1489	31	1.3034	0.3398

Backed by latency-tracking. Further commits will update this comment.