Docs - Lead space search minor language edit (#1631)

* Removed "persistent" line

* Changed to 8 and 4 columns

---------

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

src/pages/components/lead-space-search.mdx

@@ -107,7 +107,7 @@ Lead space search includes a `skip to main content` option for keyboard users so
 
 ### Mobile breakpoints (md, sm)
 
-The search component spans 8/8 columns of the grid for the `md` breakpoint and 4/4 columns of the grid for the `sm` breakpoint.
+The search component spans 8 columns of the grid for the `md` breakpoint and 4 columns of the grid for the `sm` breakpoint.
 
 The component can scroll with the page, or adopt a sticky behaviour for the search container. There is no option to display a sticky heading because the search component takes the maximum number of columns.