remove txn-local-latches from tidb config

[ran-huang]

Signed-off-by: Ran huangran.alex@gmail.com

First-time contributors' checklist

• I've signed Contributor License Agreement that's required for repo owners to accept my contribution.

What is changed, added or deleted? (Required)

txn-local-latches configs were removed in pingcap/tidb#15765
The default value of query-feedback-limit was changed in pingcap/tidb#15503

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

• master (the latest development version)
• v6.1 (TiDB 6.1 versions)
• v6.0 (TiDB 6.0 versions)
• v5.4 (TiDB 5.4 versions)
• v5.3 (TiDB 5.3 versions)
• v5.2 (TiDB 5.2 versions)
• v5.1 (TiDB 5.1 versions)
• v5.0 (TiDB 5.0 versions)
• v4.0 (TiDB 4.0 versions)

What is the related PR or file link(s)?

• This PR is translated from:remove txn-local-latches from config docs-cn#9710, update the default value of query-feedback-limit docs-cn#9711
• Other reference link(s):

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

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[ti-chi-bot]

@ran-huang: PR needs rebase.

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