Delete unused impl

crates/agent/src/active_thread.rs

@@ -76,16 +76,6 @@ struct RenderedToolUse {
     output: Entity<Markdown>,
 }
 
-impl From<&RenderedToolUse> for assistant_tool::RenderedToolUse {
-    fn from(source: &RenderedToolUse) -> Self {
-        Self {
-            label: source.label.entity_id(),
-            input: source.input.entity_id(),
-            output: source.output.entity_id(),
-        }
-    }
-}
-
 impl RenderedMessage {
     fn from_segments(
         segments: &[MessageSegment],

crates/assistant_tool/src/assistant_tool.rs

@@ -20,14 +20,6 @@ pub use crate::action_log::*;
 pub use crate::tool_registry::*;
 pub use crate::tool_working_set::*;
 
-/// A rendered tool use containing styled markdown elements for UI representation.
-#[derive(Clone)]
-pub struct RenderedToolUse {
-    pub label: EntityId,
-    pub input: EntityId,
-    pub output: EntityId,
-}
-
 pub fn init(cx: &mut App) {
     ToolRegistry::default_global(cx);
 }