Fix clippy warnings

Author: johnbatty

autorust/codegen/src/codegen.rs

@@ -101,7 +101,7 @@ impl<'a> CodeGen<'a> {
             || self
                 .spec
                 .operations()
-                .map_or(false, |f| f.iter().any(|op| op.has_xml()))
+                .is_ok_and(|f| f.iter().any(|op| op.has_xml()))
     }
 }
 

autorust/codegen/src/gen.rs

@@ -65,7 +65,7 @@ pub fn gen_crate(
         let input_files: Result<Vec<_>> = tag
             .input_files()
             .iter()
-            .map(|input_file| io::join(spec.readme(), input_file).map_err(Error::from))
+            .map(|input_file| io::join(spec.readme(), input_file))
             .collect();
         let input_files = input_files.with_context(ErrorKind::CodeGen, || {
             format!("collecting input files for tag {name}")