Remove previously deprecated battery props from xiaomi_miio

[gjohansson-ST]

Breaking change

Remove previously deprecated battery props from Xiaomi Home vacuum platform

Proposed change

Linked to: #175682

Type of change

• Dependency upgrade
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[home-assistant]

Hey there @rytilahti, @syssi, @starkillerOG, mind taking a look at this pull request as it has been labeled with an integration (xiaomi_miio) you are listed as a code owner for? Thanks!

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[justanotherariel]

Tests are failing

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Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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Fixed