[proposal] supports disable runtime quota

[eahydra]

What is your proposal:

koord-scheduler supports disable runtime quota.

Why is this needed:

Runtime quota can solve the fairness problem at the Quota layer, but in some scenarios, such as AI model training scenarios, the job may not be able to run due to runtime quota. It is necessary to provide a switch to turn off this ability to deal with this scenario.

Is there a suggested solution, if so, please add it:

[eahydra]

/assign @xulinfei1996

[koordinator-bot]

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In response to this:

/assign @xulinfei1996

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[eahydra]

resolved by #1839