remove Display impl from Toolusage

own_mcp/src/mcp/chat.rs

@@ -112,20 +112,6 @@ pub struct ToolUsage {
     pub result: RestrictedToolCallResult,
 }
 
-impl std::fmt::Display for ToolUsage {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}(", self.call.function.name)?;
-
-        for (name, value) in self.call.function.arguments.as_object().expect("function.arguments is always an object").iter() {
-            write!(f, "{name}={value}, ")?;
-        }
-
-        write!(f, ") = {:?}", self.result)?;
-
-        Ok(())
-    }
-}
-
 impl AgentChat {
     pub async fn new(
         ollama_client: Ollama,