Change most-read-with-deeply-read endpoint back to most-read-geo.json

This has been left as we were unsure if we might run another test using this endpoint. If this is not the case we could
change this endpoint 'https://api.nextgen.guardianapps.co.uk/most-read-with-deeply-read.json'; back to 'https://api.nextgen.guardianapps.co.uk/most-read-geo.json?dcr=true'.

Here: https://github.com/guardian/dotcom-rendering/blob/2275406575213ca91e0b916e20f10705387fb3bd/dotcom-rendering/src/components/MostViewedRight.tsx#L41

See original change https://github.com/guardian/dotcom-rendering/pull/11299/files#diff-81daa8a8237ca02e145600d18aa5edf2b306a516081c4cb6650dd70f9840ca48