Language server does not need mention source
This adds a "solidity" after each diagnostic in vscode, which is not
necessary.
@@ -115,7 +115,7 @@ impl SolangServer {
range,
message: diag.message.to_string(),
severity: Some(sev),
- source: Some("solidity".to_string()),
+ source: None,
code: None,
related_information,
tags: None,
