Remove unneeded lifetime annotations

src/main.rs

@@ -70,7 +70,7 @@ fn replace_parameter(input: &str, data: &serde_json::Value) -> Result<String> {
     Ok(result.join(""))
 }
 
-fn execute_hook<'a>(name: &'a str, hook: &'a Hook, data: &'a serde_json::Value) -> Result<()> {
+fn execute_hook(name: &str, hook: &Hook, data: &serde_json::Value) -> Result<()> {
     debug!("Running hook `{}`", name);
 
     for (filter_name, filter) in hook.filters.iter() {