fix warning

src/main.rs

@@ -9,7 +9,6 @@ use config::{Config, ConfigDeserializer, Merge};
 use context::Context;
 use file_path::FilePath;
 use functions::register_functions;
-use roxy_core::error::Error;
 
 use roxy_markdown_parser::MarkdownParser;
 use roxy_markdown_tera_rewriter::{MarkdownTeraPreformatter, MarkdownTeraRewriter};