Remove toggling between navigation types in E2E specs

See merge request !127596



Merged-by: Mark Lapierre <mlapierre@gitlab.com>
Approved-by: Nao Hashizume <nhashizume@gitlab.com>
Approved-by: Désirée Chevalier <dchevalier@gitlab.com>
Approved-by: Mark Lapierre <mlapierre@gitlab.com>
Reviewed-by: Désirée Chevalier <dchevalier@gitlab.com>
Co-authored-by: Désirée Chevalier <dchevalier@gitlab.com>
Co-authored-by: Andrejs Cunskis <acunskis@gitlab.com>