Remove unused method

Signed-off-by: Martin Tzvetanov Grigorov <[email protected]>

Author: martin-g

avro/src/ser_schema.rs

@@ -344,16 +344,6 @@ impl<W: Write> ser::SerializeStruct for SchemaAwareWriteSerializeStruct<'_, '_,
     }
 }
 
-fn field_matches(record_field: &RecordField, expected_name: &str) -> bool {
-    let field_name = record_field.name.as_str();
-    match &record_field.aliases {
-        Some(aliases) => {
-            expected_name == field_name || aliases.iter().any(|a| expected_name == a.as_str())
-        }
-        None => expected_name == field_name,
-    }
-}
-
 impl<W: Write> ser::SerializeStructVariant for SchemaAwareWriteSerializeStruct<'_, '_, W> {
     type Ok = usize;
     type Error = Error;