Remove the Elm language detection
Remove the Elm language detection

Elm detection was based on the `Elm` pattern in `env`, leading to false
positives, as described [in the documentation](https://github.com/AliasIO/Wappalyzer/wiki/Specification#too-generic-patterns).

WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer,AliasIO/wappalyzer,WPO-Foundation/Wappalyzer,AliasIO/wappalyzer