Removed unneeded implementations from custom_notification example

examples/custom_notification.rs

@@ -87,10 +87,6 @@ impl LanguageServer for Backend {
         })
     }
 
-    fn initialized(&self, printer: &Printer, _: InitializedParams) {
-        printer.log_message(MessageType::Info, "server initialized!");
-    }
-
     fn shutdown(&self) -> Self::ShutdownFuture {
         Box::new(future::ok(()))
     }
@@ -99,18 +95,6 @@ impl LanguageServer for Backend {
         Box::new(future::ok(None))
     }
 
-    fn did_change_workspace_folders(&self, printer: &Printer, _: DidChangeWorkspaceFoldersParams) {
-        printer.log_message(MessageType::Info, "workspace folders changed!");
-    }
-
-    fn did_change_configuration(&self, printer: &Printer, _: DidChangeConfigurationParams) {
-        printer.log_message(MessageType::Info, "configuration changed!");
-    }
-
-    fn did_change_watched_files(&self, printer: &Printer, _: DidChangeWatchedFilesParams) {
-        printer.log_message(MessageType::Info, "watched files have changed!");
-    }
-
     fn execute_command(
         &self,
         printer: &Printer,
@@ -129,22 +113,6 @@ impl LanguageServer for Backend {
         Box::new(future::ok(None))
     }
 
-    fn did_open(&self, printer: &Printer, _: DidOpenTextDocumentParams) {
-        printer.log_message(MessageType::Info, "file opened!");
-    }
-
-    fn did_change(&self, printer: &Printer, _: DidChangeTextDocumentParams) {
-        printer.log_message(MessageType::Info, "file changed!");
-    }
-
-    fn did_save(&self, printer: &Printer, _: DidSaveTextDocumentParams) {
-        printer.log_message(MessageType::Info, "file saved!");
-    }
-
-    fn did_close(&self, printer: &Printer, _: DidCloseTextDocumentParams) {
-        printer.log_message(MessageType::Info, "file closed!");
-    }
-
     fn completion(&self, _: CompletionParams) -> Self::CompletionFuture {
         Box::new(future::ok(None))
     }