Update guidance page for #126 (#136)
Update guidance page for #126 (#136)

This is out of date now. Just cut the explanatory text as it's now
duplicated.
annapowellsmith/openpresc,annapowellsmith/openpresc,ebmdatalab/openprescribing,annapowellsmith/openpresc,ebmdatalab/openprescribing,ebmdatalab/openprescribing,annapowellsmith/openpresc,ebmdatalab/openprescribing