no __init__.py on purpose to prevent tests to be run

- chemspider requires a login 
- biomodels is the old deprecated module of biomodels
- clinvitae.py  web site does not work anymore
- geneprof.py  web site does not work anymore
- miriam web site does not work anymore
- biocarta not accesible anymore and could not find alternative website (sept 2022)
- rnaseq_Ebi not accessible anymore 
