Update example

Author: plule

README.md

@@ -8,8 +8,6 @@
 
 `dfhack_remote` is a library allowing users to interact with Dwarf Fortress using a remote API.
 
-![dfhack-remote](images/dfhack-remote.png)
-
 [Dwarf Fortress] is a video game by Bay 12 Games.
 [DFHack] is a fan made mod for Dwarf Fortress adding many
 features to the game.

examples/hello_world.rs

@@ -1,7 +1,7 @@
 fn main() {
     let mut client = dfhack_remote::connect().unwrap();
     let world_info = client.core().get_world_info().unwrap();
-    let world_name = world_info.world_name.clone().unwrap().clone();
+    let world_name = world_info.world_name.as_ref().unwrap();
 
     println!(
         "Welcome to {} ({})",