deps: bump rmcp to 1.4.0 and remove now-redundant tool_router field

rmcp 1.4.0 changes the tool_router macro to auto-generate the router
without requiring it to be stored as a struct field. Remove the field
and its initialization to fix the dead_code clippy error.

Author: bug-ops

Cargo.lock

@@ -27,7 +27,7 @@ ignore = "0.4"
 lsp-types = "0.97"
 mcpls-core = { path = "crates/mcpls-core", version = "0.3.5" }
 predicates = "3.1"
-rmcp = "1.3"
+rmcp = "=1.4.0"
 rstest = "0.26"
 schemars = "1.2"
 serde = "1.0"

Cargo.toml

@@ -23,7 +23,6 @@ use crate::bridge::Translator;
 #[derive(Clone)]
 pub struct McplsServer {
     context: Arc<HandlerContext>,
-    tool_router: rmcp::handler::server::router::tool::ToolRouter<Self>,
 }
 
 #[tool_router]
@@ -32,10 +31,7 @@ impl McplsServer {
     #[must_use]
     pub fn new(translator: Arc<Mutex<Translator>>) -> Self {
         let context = Arc::new(HandlerContext::new(translator));
-        Self {
-            context,
-            tool_router: Self::tool_router(),
-        }
+        Self { context }
     }
 
     /// Get hover information at a position in a file.