tweak(ext/cfx-ui): Hide sv_poolSizesIncrease ConVar

[tens0rfl0w]

Goal of this PR

Showing this information to the end-user isn't really helpful, so we hide it.

How is this PR achieving the goal

Adding an exception for "sv_poolSizesIncrease" in the server info aggregation function.

This PR applies to the following area(s)

cfx-ui

Successfully tested on

Game builds: Not applicable

Platforms: Windows (Client)

Checklist

• Code compiles and has been tested successfully.
• Code explains itself well and/or is documented.
• My commit message explains what the changes do and what they are for.
• No extra compilation warnings are added by these changes.

Fixes issues

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