Revert "agent: Namespace MCP server tools" (#31588)

Reverts zed-industries/zed#30600

crates/agent/src/agent_configuration.rs

@@ -637,7 +637,7 @@ impl AgentConfiguration {
                             .hover(|style| style.bg(cx.theme().colors().element_hover))
                             .rounded_sm()
                             .child(
-                                Label::new(tool.ui_name())
+                                Label::new(tool.name())
                                     .buffer_font(cx)
                                     .size(LabelSize::Small),
                             )

crates/agent/src/agent_configuration/tool_picker.rs

@@ -117,7 +117,7 @@ impl ToolPickerDelegate {
                 ToolSource::Native => {
                     if mode == ToolPickerMode::BuiltinTools {
                         items.extend(tools.into_iter().map(|tool| PickerItem::Tool {
-                            name: tool.ui_name().into(),
+                            name: tool.name().into(),
                             server_id: None,
                         }));
                     }
@@ -129,7 +129,7 @@ impl ToolPickerDelegate {
                             server_id: server_id.clone(),
                         });
                         items.extend(tools.into_iter().map(|tool| PickerItem::Tool {
-                            name: tool.ui_name().into(),
+                            name: tool.name().into(),
                             server_id: Some(server_id.clone()),
                         }));
                     }

crates/agent/src/context_server_tool.rs

@@ -30,10 +30,6 @@ impl ContextServerTool {
 
 impl Tool for ContextServerTool {
     fn name(&self) -> String {
-        format!("{}-{}", self.server_id, self.tool.name)
-    }
-
-    fn ui_name(&self) -> String {
         self.tool.name.clone()
     }
 

crates/assistant_tool/src/assistant_tool.rs

@@ -203,11 +203,6 @@ pub trait Tool: 'static + Send + Sync {
     /// Returns the name of the tool.
     fn name(&self) -> String;
 
-    /// Returns the name to be displayed in the UI for this tool.
-    fn ui_name(&self) -> String {
-        self.name()
-    }
-
     /// Returns the description of the tool.
     fn description(&self) -> String;