cleaning falsely rendered pages (#2376)

qdrant-landing/content/about-us/about-us-get-started.md

@@ -6,4 +6,5 @@ seeOpenRoles:
   url: https://qdrant.to/jobs
   target: true
 image: /img/about-us/employee.svg
+sitemapExclude: true
 ---

qdrant-landing/content/about-us/about-us-resources.md

@@ -4,4 +4,5 @@ seeOpenRoles:
   text: View Brand Resources
   url: /brand-resources/
 image: /img/about-us/style-guide.svg
+sitemapExclude: true
 ---