rm superfluous lifetime annotation

src/searcher.rs

@@ -41,14 +41,14 @@ impl UserData for Searcher {
 }
 
 /// Extend `rlua::Context` to support `require`ing Lua modules by name.
-pub trait AddSearcher<'a> {
+pub trait AddSearcher {
     /// Add a `HashMap` of Lua modules indexed by module name to Lua’s
     /// `package.searchers` table in an `rlua::Context`, with lookup
     /// functionality provided by the `rlua_searcher::Searcher` struct.
     fn add_searcher(&self, modules: HashMap<String, String>) -> Result<()>;
 }
 
-impl<'a> AddSearcher<'a> for Context<'a> {
+impl<'a> AddSearcher for Context<'a> {
     fn add_searcher(&self, modules: HashMap<String, String>) -> Result<()> {
         let globals = self.globals();
         let searchers: Table = globals.get::<_, Table>("package")?.get("searchers")?;