remove katex fix (should not be in classless.css)

Author: emareg

docs/classless.css

@@ -363,6 +363,3 @@ p>select { padding: 0;      margin: 0 .5em; }
 .p-1, .px-1, .pl-1 { padding-left:   1.0rem !important; }
 .p-1, .py-1, .pt-1 { padding-top:    1.0rem !important; }
 .p-1, .py-1, .pb-1 { padding-bottom: 1.0rem !important; }
-
-/* fixes */
-.katex-display { overflow-x: auto; }