Run cargo fix.

src/intermediate/page.rs

@@ -3,7 +3,7 @@ use std::path::PathBuf;
 use crate::error::CustomError;
 
 use super::footnote_definition::IRealFootnoteDefinition;
-use super::registry::Registry;
+
 use super::IDocumentElement;
 use super::IHeading;
 use super::ISection;