Remove void statement which can cause errors

Actual handling of "homepage" seems to happen a few lines above, and
uses optional chaining (`?.`), so it seems these lines can be removed
with no negative consequences. If left in, they cause errors when the
additional display does not contain "homepage".

datalad_catalog/catalog/assets/app_component_dataset.js

@@ -499,8 +499,6 @@ const datasetView = () =>
                 } else {
                   return null
                 }
-                selectedDS.additional_display[0]["content"]["homepage"]["@value"]
-                return 
               // "spatialCoverage", // Text or Place
               // "temporalCoverage", // Text
               // "variableMeasured", // Text or PropertyValue