Do not automatically show sketches (#623)

Co-authored-by: Peter York <[email protected]>

Author: Pete-Y-CS

src/lib/browse/schemes/SchemesLayer.svelte

@@ -69,9 +69,6 @@
         lcwipSchemes,
         finalInspectionsSchemes,
       );
-      $atfShow = true;
-      $lcwipShow = true;
-      $finalInspectionsShow = true;
       errorMessage = "";
     } catch (err) {
       errorMessage = `The file you loaded is broken: ${err}`;