Revert codegen.rs to the previous version

nac3artiq/src/codegen.rs

@@ -102,15 +102,6 @@ impl<'a> ArtiqCodeGenerator<'a> {
         }
     }
 
-    /// To resolve class name dynamically - name field is used to obtain class name
-    pub fn get_class_name(&self) -> Option<String> {
-        if self.name.is_empty() {
-            None
-        } else {
-            Some(self.name.clone())
-        }
-    }
-
     /// If the generator is currently in a direct-`parallel` block context, emits IR that resets the
     /// position of the timeline to the initial timeline position before entering the `parallel`
     /// block.