Delete the context object from the DAP server

Summary: Newer clippy managed to spot the field was dead. We didn't use it, and it's not clear we ever would.

Reviewed By: stepancheg

Differential Revision: D31616030

fbshipit-source-id: 768fa81cde7a25b5997f9ade3ba908b76ac74919

starlark/bin/dap/mod.rs

@@ -37,15 +37,13 @@ use starlark::{
     syntax::{AstModule, Dialect},
 };
 
-use crate::eval::{dialect, globals, Context};
+use crate::eval::{dialect, globals};
 
 mod library;
 
 #[derive(Debug)]
 struct Backend {
     client: Client,
-    starlark: Context,
-
     file: Mutex<Option<String>>,
 
     // These breakpoints must all match statements as per before_stmt.
@@ -380,11 +378,10 @@ impl DebugServer for Backend {
     }
 }
 
-pub fn server(starlark: Context) {
+pub fn server() {
     let (sender, receiver) = channel();
     DapService::run(|client| Backend {
         client,
-        starlark,
         breakpoints: Default::default(),
         disable_breakpoints: Default::default(),
         file: Default::default(),

starlark/bin/main.rs

@@ -239,7 +239,7 @@ fn main() -> anyhow::Result<()> {
         ctx.run = false;
         lsp::server(ctx)?;
     } else if args.dap {
-        dap::server(ctx)
+        dap::server()
     }
 
     if !args.json {