bit of cleanup, few steps towards commands demo

orchid-base/src/parse.rs

@@ -113,7 +113,6 @@ pub struct Comment {
 	pub sr: SrcRange,
 }
 impl Comment {
-	// XXX: which of these four are actually used?
 	pub async fn from_api(c: &api::Comment, src: Sym) -> Self {
 		Self { text: es(c.text).await, sr: SrcRange::new(c.range.clone(), &src) }
 	}
@@ -123,9 +122,6 @@ impl Comment {
 			_ => None,
 		}
 	}
-	pub fn to_tk<R: ExprRepr, X: ExtraTok>(&self) -> TokTree<R, X> {
-		TokTree { tok: Token::Comment(self.text.clone()), sr: self.sr.clone() }
-	}
 	pub fn to_api(&self) -> api::Comment {
 		api::Comment { range: self.sr.range(), text: self.text.to_api() }
 	}