fix: remove the default nodeSelector value from the volcano monitoring installation yaml.

[fengruotj]

Fix #3779.

we can remove the nodeSelector default value from the volcano/installer/volcano-monitoring-latest.yaml file. If we want setting volcano-monitoring nodeSelector, we can run the helm chart with Values.custom.metrics_enable & Values.custom.kube_state_metrics_ns.

[fengruotj]

If we use helm-chart command, we can use --set custom.metrics_enable=true --set custom.kube_state_metrics_ns."\node\.kubernetes\.io/instance-type"=controlpanel to set the default value.

[Monokaix]

We can exec make generate-yaml TAG=latest RELEASE_DIR=installer to modify the installer/volcano-monitoring-latest.yaml.

[fengruotj]

We can exec make generate-yaml TAG=latest RELEASE_DIR=installer to modify the installer/volcano-monitoring-latest.yaml.

ok. It means that this is not an issue？

[Monokaix]

We can exec make generate-yaml TAG=latest RELEASE_DIR=installer to modify the installer/volcano-monitoring-latest.yaml.

ok. It means that this is not an issue？

No，I mean you can exec it and the file will be modified automatically and then commit the changes: )

[Monokaix]

Please also sign off your commit with git -s.

[fengruotj]

Please also sign off your commit with git -s.

I've already signed off my commit wiht git commit -s. Thanks you very much~

[fengruotj]

We can exec make generate-yaml TAG=latest RELEASE_DIR=installer to modify the installer/volcano-monitoring-latest.yaml.

ok. It means that this is not an issue？

No，I mean you can exec it and the file will be modified automatically and then commit the changes: )

Thanks, I've already done.

[fengruotj]

/assign @Monokaix @shinytang6 @hwdef

[Monokaix]

/ok-to-test
/lgtm
/approve

[volcano-sh-bot]

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