feat: rework board switcher (#6660)

* feat: rework board switcher

* fix: address board switcher review

apps/nextjs/src/components/onboarding/board-tour.tsx

@@ -66,16 +66,6 @@ export const BoardTourProvider = ({ children }: PropsWithChildren) => {
           />
         ),
       },
-      {
-        id: "board-switcher",
-        title: t("switcher.title"),
-        content: (
-          <TourStepContent
-            description={t("switcher.description")}
-            documentationHref={createDocumentationLink("/docs/management/boards")}
-          />
-        ),
-      },
       {
         id: "board-user-menu",
         title: t("userMenu.title"),