protocol: Change global_remove arg to be 'name' insteadl of 'id'

Consistent with global args.
diff --git a/protocol/wayland.xml b/protocol/wayland.xml
index 1db72d9..48ba68a 100644
--- a/protocol/wayland.xml
+++ b/protocol/wayland.xml
@@ -73,7 +73,7 @@
 
     <!-- Notify the client of removed global objects. -->
     <event name="global_remove">
-      <arg name="id" type="uint" />
+      <arg name="name" type="uint" />
     </event>
 
   </interface>