docs/image_previews.md: fix typo in kitty guide

adtac · adtac · commit b64724c784fc · 2023-04-11T21:16:04.000-04:00
diff --git a/docs/image_previews.md b/docs/image_previews.md
@@ -265,7 +265,7 @@ case "$mimetype" in
 esac
 ```
 
-`~/.config/joshuto/on_preview_removed.sh`:
+`~/.config/joshuto/on_preview_removed`:
 ```shell
 #!/usr/bin/env bash
 
