Just hours after Skype officially became part of Microsoft, comes news that the VoIP provider has removed Google Toolbar from its installer package for Windows.

The release notes for Skype 5.6 confirm the change in an update that also contains “attribution of used third party software” (perhaps another Microsoft-related change) and bug fixes.

Google offers incentives to developers who bundle its toolbar with their products, although now that Skype is part of Microsoft such a deal would be awkward to say the least – and it won’t need the revenue provided from such a deal anyway.

As we reported earlier, Skype will continue to offer its products on multiple, non-Microsoft platforms, while CEO Tony Bates has assumed the title of President of the Skype Division of Microsoft, directly reporting to Microsoft CEO Steve Ballmer. Expect Skype to be integrated into Microsoft products in coming months.