Revert "PartiQL Eval - Planner Mode (#1385)"

[rchowell]

Description

This reverts the planner mode as it made substantial changes to the planner which has already diverged from main. Let's get the merge from main in before adding these changes.

After merging #1420 — I will then re-apply the planner mode PR.

• Do your changes comply with the Contributing Guidelines
  and Code Style Guidelines? [YES/NO]
  Yes

License Information

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

Conformance comparison report-Cross Engine

	Base (legacy)	eval	+/-
% Passing	92.51%	82.43%	-10.07%
✅ Passing	5382	4796	-586
❌ Failing	436	1022	586
🔶 Ignored	0	0	0
Total Tests	5818	5818	0
Number passing in both: 4624

Number failing in both: 264

Number passing in legacy engine but fail in eval engine: 758

Number failing in legacy engine but pass in eval engine: 172
⁉️ CONFORMANCE REPORT REGRESSION DETECTED ⁉️
The complete list can be found in GitHub CI summary, either from Step Summary or in the Artifact.
172 test(s) were failing in legacy but now pass in eval. Before merging, confirm they are intended to pass.
The complete list can be found in GitHub CI summary, either from Step Summary or in the Artifact.

Conformance comparison report-Cross Commit-LEGACY

	Base (6103e9e)	d421565	+/-
% Passing	92.52%	92.51%	-0.02%
✅ Passing	5383	5382	-1
❌ Failing	435	436	1
🔶 Ignored	0	0	0
Total Tests	5818	5818	0
Number passing in both: 5382

Number failing in both: 435

Number passing in Base (6103e9e) but now fail: 1

Number failing in Base (6103e9e) but now pass: 0
⁉️ CONFORMANCE REPORT REGRESSION DETECTED ⁉️. The following test(s) were previously passing but now fail:

Click here to see

• MYSQL_SELECT_29, compileOption: LEGACY

Conformance comparison report-Cross Commit-EVAL

	Base (6103e9e)	d421565	+/-
% Passing	82.85%	82.43%	-0.42%
✅ Passing	4821	4796	-25
❌ Failing	998	1022	24
🔶 Ignored	0	0	0
Total Tests	5819	5818	-1
Number passing in both: 4745

Number failing in both: 946

Number passing in Base (6103e9e) but now fail: 76

Number failing in Base (6103e9e) but now pass: 52
⁉️ CONFORMANCE REPORT REGRESSION DETECTED ⁉️
The complete list can be found in GitHub CI summary, either from Step Summary or in the Artifact.
52 test(s) were previously failing but now pass. Before merging, confirm they are intended to pass
The complete list can be found in GitHub CI summary, either from Step Summary or in the Artifact.