edit comment about styles to remove in future (#9363)

frontend/src/css/custom.css

@@ -31,17 +31,17 @@ html[data-theme="dark"] .docusaurus-highlight-code-line {
   color-scheme: initial;
 }
 
+/*
+TODO: remove these three styles when
+we can upgrade to docusaurus-theme-openapi@0.6.5
+*/
+
 input[type="text"], :not(#fakeID#fakeId#fakeID) select {
   border-color: var(--ifm-color-primary-lightest);
   border-style: solid;
   border-width: 1px;
 }
 
-/*
-TODO: remove these two styles when
-we can upgrade to docusaurus-theme-openapi@0.6.5
-*/
-
 div.api-code-tab-group {
   justify-content: center;
   flex-wrap: wrap;