chore: multiple navigation landmarks confuse screenreaders

Closes: INSTUI-4246

Author: ToMESSKa

packages/__docs__/src/Nav/index.tsx

@@ -426,7 +426,7 @@ class Nav extends Component<NavProps, NavState> {
             shouldNotWrap
           />
         </View>
-        <View role="navigation" margin="medium none none" display="block">
+        <View margin="medium none none" display="block">
           {hasMatches && matches}
         </View>
       </View>