Stripping DOI URL prefix for sources

[jamesbraza]

This enables us to directly compare on DOI downstream

[mskarlin]

fwiw I think DOIs always via the following URLS (from our DocDetails class):

DOI_URL_FORMATS: ClassVar[Collection[str]] = {
"https://doi.org/",
"http://dx.doi.org/",
}

[jamesbraza]

fwiw I think DOIs always via the following URLS (from our DocDetails class):

DOI_URL_FORMATS: ClassVar[Collection[str]] = { "doi.org", "http://dx.doi.org", }

Didn't know about that, just moved to use it 👌