update dataset card: clarify license-restricted schemes

remove cpt.json: license requires registration/permission

remove icd11.json: license requires registration/permission

remove loinc.json: license requires registration/permission

Update cvx.json

Update hcpcs.json

Update loinc.json

Update icd9.json

Update cvx.json

Update hcpcs.json

Update cpt.json

Update loinc.json

Update icd11.json

Update icd9.json

Update atc5.json

Update icd10.json

Update dataset card

initial commit