Cookie Consent removed from Template in 3.0

[isaacrlevin]

Per dotnet/aspnetcore#10346 the Cookie Consent section will be removed in ASP.NET Core 3.0. This doc will need to be updated to mention this and note how to add necessary bits.

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Document Details

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• ID: 28d0490e-205f-20a5-ace5-904f4c8ad78f
• Version Independent ID: 4a2c8d95-fdd2-fdb1-b61d-802d0a8539c3
• Content: General Data Protection Regulation (GDPR) support in ASP.NET Core
• Content Source: aspnetcore/security/gdpr.md
• Product: aspnet-core
• Technology: aspnetcore-security
• GitHub Login: @Rick-Anderson
• Microsoft Alias: riande

[scottaddie]

@isaac2004 Please let Rick know if you'll be submitting a PR. I'd hate to have him spend time on it if you're already working on it.

[isaacrlevin]

@Rick-Anderson PR already submitted