Small typo correction in comments (#3012)

Author: rogerioagjr

examples/textual_inversion/textual_inversion.py

@@ -839,7 +839,7 @@ def main():
 
             if global_step >= args.max_train_steps:
                 break
-    # Create the pipeline using using the trained modules and save it.
+    # Create the pipeline using the trained modules and save it.
     accelerator.wait_for_everyone()
     if accelerator.is_main_process:
         if args.push_to_hub and args.only_save_embeds: