[hotfix] Make doc ide_setup.md format better for code formatting

[liuml07]

What is the purpose of the change

Make doc file ide_setup.md format better after e48abd38

Before:

After:

Verifying this change

Please make sure both new and modified tests in this PR follows the conventions defined in our code quality guide: https://flink.apache.org/contributing/code-style-and-quality-common.html#testing

This change is a trivial rework / code cleanup without any test coverage.

Documentation

• Does this pull request introduce a new feature? (no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[flinkbot]

CI report:

• 101285b786955e8ab65dbc4178935f411ed30656 Azure: FAILURE

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[liuml07]

CC @afedulov @twalthr

[liuml07]

Hi @afedulov Could you help commit this? Thanks,

[afedulov]

@mxm could you please merge? (I am still blocked on the ICLA formalities)

[afedulov]

Thanks!