Remove `<p class="markdown-alert-title">` from generated template

Sample from generated template:

## Use collection expression for Create (IDE0303)
## This rule flags places where a Create() method or a similar method that's designated as the collection construction method (using the System.Runtime.CompilerServices.CollectionBuilderAttribute attribute) is used to initialize a collection and offers to replace it with a collection expression ([...]).
## Create() methods are common for the immutable collections, for example, ImmutableArray.Create(1, 2, 3).
## <p class="markdown-alert-title"><svg viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8Zm8-6.5a6.5 6.5 0 1 0 0 13 6.5 6.5 0 0 0 0-13ZM6.5 7.75A.75.75 0 0 1 7.25 7h1a.75.75 0 0 1 .75.75v2.75h.25a.75.75 0 0 1 0 1.5h-2a.75.75 0 0 1 0-1.5h.25v-2h-.25a.75.75 0 0 1-.75-.75ZM8 6a1 1 0 1 1 0-2 1 1 0 0 1 0 2Z"></path></svg>Note</p>
## This rule requires more recent versions of the immutable APIs (for example, System.Collections.Immutable), which opt into the collection-expression pattern.
## // Code with violations.

Use the issue's sample as the expected-output reference; first search the repository for the generator entry point that produces the shown template and identify where the markdown alert HTML is emitted. Confirm the generated template no longer contains the markdown-alert-title fragment while preserving the surrounding rule text.