Purge old css

Author: zlovatt

docs/_static/extra.css

@@ -1,13 +0,0 @@
-/* override table width restrictions */
-@media screen and (min-width: 767px) {
-
-   .wy-table-responsive table td {
-      /* !important prevents the common CSS stylesheets from overriding
-         this as on RTD they are loaded after this stylesheet */
-      white-space: normal !important;
-   }
-
-   .wy-table-responsive {
-      overflow: visible !important;
-   }
-}