resource_manager: remove maxRequestTokens in limiter

[CabinfeverB]

Signed-off-by: Cabinfever_B cabinfeveroier@gmail.com

What problem does this PR solve?

Issue Number: ref #5851

What is changed and how does it work?

Take the facts, we don't have to check too big request.

Check List

Tests

• Unit test
• Integration test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• nolouch

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[codecov]

Codecov Report

Base: 75.76% // Head: 75.70% // Decreases project coverage by -0.06% ⚠️

Coverage data is based on head (d7a62ad) compared to base (5c518d0).
Patch coverage: 66.66% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5880      +/-   ##
==========================================
- Coverage   75.76%   75.70%   -0.06%     
==========================================
  Files         342      342              
  Lines       34834    34828       -6     
==========================================
- Hits        26391    26367      -24     
- Misses       6205     6217      +12     
- Partials     2238     2244       +6     

Flag	Coverage Δ
unittests	75.70% <66.66%> (-0.06%)	⬇️

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

Impacted Files	Coverage Δ
pkg/mcs/resource_manager/client/config.go	44.44% <ø> (-2.93%)	⬇️
pkg/mcs/resource_manager/client/client.go	68.47% <62.50%> (ø)
pkg/mcs/resource_manager/client/limiter.go	82.75% <100.00%> (+0.09%)	⬆️
pkg/errs/errs.go	75.00% <0.00%> (-25.00%)	⬇️
pkg/utils/metricutil/metricutil.go	82.75% <0.00%> (-10.35%)	⬇️
server/region_syncer/client.go	81.34% <0.00%> (-5.23%)	⬇️
pkg/utils/etcdutil/etcdutil.go	84.88% <0.00%> (-3.49%)	⬇️
server/schedule/labeler/rules.go	87.50% <0.00%> (-2.28%)	⬇️
server/tso/allocator_manager.go	63.87% <0.00%> (-2.10%)	⬇️
tools/pd-ctl/pdctl/command/operator.go	66.66% <0.00%> (-1.15%)	⬇️
... and 19 more

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[nolouch]

/merge

[ti-chi-bot]

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/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: d7a62ad