Fixed onboarding utils
Fixed onboarding utils

The onboarding routes don't return anything. Parsing the response as
JSON resulted in an error. One solution would've to not return anything at
all. However, I have decided to just return the empty text.

WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard