Remove-DbaDbSnapshot - should ask for confirmation

[jpomfret]

Type of Change

• Bug fix (non-breaking change, fixes # )
• New feature (non-breaking change, adds functionality, fixes # )
• Breaking change (effects multiple commands or functionality, fixes # )
• Ran manual Pester test and has passed (`.\tests\manual.pester.ps1)
• Adding code coverage to existing functionality
• Pester test is included
• If new file reference added for test, has is been added to github.com/sqlcollaborative/appveyor-lab ?
• Nunit test is included
• Documentation
• Build system

Purpose

Removing snapshots should ask for confirmation

Approach

Change confirmimpact to high

Commands to test

New-DbaDbSnapshot -SqlInstance mssql1 -Database AdventureWorks 
Get-DbaDbSnapshot -SqlInstance mssql1 -Database AdventureWorks | Remove-DbaDbSnapshot 

Should get a prompt to drop the snap

Screenshots

[andreasjordan]

Looks good to me.

[potatoqualitee]

same! This is a breaking change, but it's a good one (and I don't think a ton of ppl are using snapshots yet?) I'm still testing the dev branch so ill merge but release later this week 💯