Update ManualCpm definition

[opbld32]

Docs Build status updates of commit a2a8603:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
Advertising/bingads-13/campaign-management-service/manualcpmbiddingscheme.md	:white_check_mark:Succeeded	View (=bingads-13)
Advertising/bingads-13/guides/budget-bid-strategies.md	:white_check_mark:Succeeded	View (=bingads-13)
Advertising/scripts/reference/AdGroupBidding.md	:white_check_mark:Succeeded	View
Advertising/scripts/reference/AdGroupBuilder.md	:white_check_mark:Succeeded	View

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[rgaritta]

Disregard, updating and making new pull request.