Remove width CSS rule for #wiki-rendering so content (eg hr) stays within the page panel.
Remove width CSS rule for #wiki-rendering so content (eg hr) stays
within the page panel.

https://bugs.corefiling.com/show_bug.cgi?id=40263

ashirley/reviki,ashirley/reviki,strr/reviki,CoreFiling/reviki,strr/reviki,CoreFiling/reviki,CoreFiling/reviki,strr/reviki,ashirley/reviki,ashirley/reviki,CoreFiling/reviki,CoreFiling/reviki,ashirley/reviki,strr/reviki,strr/reviki