Remove Container methods from AppHost docs

[eerhardt]

It isn't recommended to use the "AddXYZContainer" methods, but instead just "AddXYZ". Using the Container methods means that you want a container even after publishing to a cloud service, which has hosted versions of these resources.

Contributes to dotnet/aspire#1528

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docs/caching/caching-components.md	Tutorial: Implement caching with .NET Aspire components
docs/caching/stackexchange-redis-component.md	.NET Aspire StackExchange Redis component
docs/caching/stackexchange-redis-distributed-caching-component.md	.NET Aspire StackExchange Redis distributed caching component
docs/caching/stackexchange-redis-output-caching-component.md	docs/caching/stackexchange-redis-output-caching-component
docs/database/mongodb-component.md	.NET Aspire MongoDB database component
docs/database/mysql-component.md	.NET Aspire MySQL database component
docs/database/postgresql-component.md	.NET Aspire PostgreSQL component
docs/database/postgresql-entity-framework-component.md	.NET Aspire PostgreSQL Entity Framework Core component
docs/database/sql-server-component.md	docs/database/sql-server-component
docs/database/sql-server-entity-framework-component.md	.NET Aspire SqlServer Entity Framework Core component
docs/deployment/azure/aca-deployment-azd-in-depth.md	[Windows](https://review.learn.microsoft.com/en-us/dotnet/aspire/deployment/azure/aca-deployment-azd-in-depth?branch=pr-en-us-274)
docs/deployment/azure/application-insights.md	Use .NET Aspire with Application Insights
docs/deployment/manifest-format.md	.NET Aspire manifest format for deployment tool builders
docs/fundamentals/app-host-overview.md	docs/fundamentals/app-host-overview
docs/fundamentals/components-overview.md	.NET Aspire components overview
docs/get-started/aspire-overview.md	.NET Aspire overview
docs/get-started/build-your-first-aspire-app.md	Quickstart: Build your first .NET Aspire app
docs/messaging/rabbitmq-client-component.md	docs/messaging/rabbitmq-client-component