Revert "expr: support str_to_date pushdown to tikv #59362"

[wshwsh12]

What problem does this PR solve?

Issue Number: ref #59566

Problem Summary:
TiKV can't get the sql_mode and get wrong result.
So now we disable str_to_date pushdown to tikv.

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[tiprow]

Hi @wshwsh12. Thanks for your PR.

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[wshwsh12]

/ok-to-test

[xzhangxian1008]

LGTM

[windtalker]

lgtm

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: windtalker, xzhangxian1008

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-02-17 07:20:34.901389222 +0000 UTC m=+859477.297611276: ☑️ agreed by xzhangxian1008.
• 2025-02-17 07:22:24.943572585 +0000 UTC m=+859587.339794644: ☑️ agreed by windtalker.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.4575%. Comparing base (baf1600) to head (b73d111).
Report is 2 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #59580        +/-   ##
================================================
+ Coverage   73.0099%   73.4575%   +0.4476%     
================================================
  Files          1694       1694                
  Lines        468320     468370        +50     
================================================
+ Hits         341920     344053      +2133     
+ Misses       105368     103280      -2088     
- Partials      21032      21037         +5     

Flag	Coverage Δ
integration	42.8025% <ø> (?)
unit	72.2330% <ø> (+0.0198%)	⬆️

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

Components	Coverage Δ
dumpling	52.6910% <ø> (ø)
parser	∅ <ø> (∅)
br	45.2142% <ø> (-0.0057%)	⬇️