Test lsp integration

[DanGould]

On second thought, the from_config might not be what enables integration testing. Making LspClient a trait with an alternative request_quote() might be. I would still want lsp_endpoint encapsulated from scheduler, either by removing the configuration or parsing it into a struct a from_config method.

• [ ] Mock LspClient as Trait Lsp that implements
• [ ] configure LspClient::from_config

[DanGould]

removing lsp from core offering because of the results of demand experiments