removed extra files

Author: root

src/pages/+Page.mdx

@@ -44,7 +44,3 @@ These products come from a variety of sources throughout the geosciences.
 <LinkCard href="/docs/" title="Documentation">
   Macrostrat documentation
 </LinkCard>
-
-<LinkCard href="/mainpageTest" title="Test Site">
-  New test site @David
-</LinkCard>