simpler katex fix

quartz/styles/base.scss

@@ -516,12 +516,5 @@ ol.overflow {
 
 .katex-display {
   overflow-x: auto;
-  overflow-y: visible;
-
-  & > .katex .katex-html {
-    .base,
-    .strut {
-      display: inline;
-    }
-  }
+  overflow-y: hidden;
 }