docs: accessibility banner fix (#17431)

removed HTML in Banner component and updated link accordingly

Fixes #16735

Author: zubricks

docs/admin/accessibility.mdx

@@ -9,18 +9,9 @@ keywords: admin, accessibility, a11y, custom, documentation, Content Management
 Payload is committed to ensuring that our admin panel is accessible to all users, including those with disabilities. We follow best practices and guidelines to create an inclusive experience.
 
 <Banner type="info">
-  <p>
-    We are actively working towards full compliance with WCAG 2.2 AA standards.
-    If you encounter any accessibility issues, please report them in our{' '}
-    <a
-      href="https://github.com/payloadcms/payload/discussions/14489"
-      target="_blank"
-      rel="noopener noreferrer"
-    >
-      GitHub Discussion
-    </a>{' '}
-    page.
-  </p>
+  We are actively working towards full compliance with WCAG 2.2 AA standards. If
+  you encounter any accessibility issues, please report them in our [GitHub
+  Discussion](https://github.com/payloadcms/payload/discussions/14489) page.
 </Banner>
 
 ## Compliance standards