Revert "Add preconnect checks"

This reverts commit eddda8d.

ct.css

@@ -35,16 +35,12 @@ html {
 
 head,
 head script,
-head style, head [rel="stylesheet"],
-head [rel="dns-prefetch"],
-head [rel="preconnect"]:nth-of-type(n+4) {
+head style, head [rel="stylesheet"] {
   display: block;
 }
 
 head script,
 head style, head [rel="stylesheet"],
-head [rel="dns-prefetch"],
-head [rel="preconnect"]:nth-of-type(n+4),
 head title {
   margin: 5px;
   padding: 5px;
@@ -67,28 +63,6 @@ head ::before {
 
 
 
-/**
- * Check for potentially troublesome resource hints.
- */
-
-head [rel="dns-prefetch"],
-head [rel="preconnect"]:nth-of-type(n+4) {
-  border-style: var(--ct-is-problematic);
-  border-color: var(--ct-warn)
-}
-
-  head [rel="dns-prefetch"]::before {
-    content: "[dns-prefetch is legacy: prefer preconnect – " attr(href) "]"
-  }
-
-  head [rel="preconnect"]:nth-of-type(n+4)::before {
-    content: "[More than 2 preconnects – " attr(href) "]"
-  }
-
-
-
-
-
 /**
  * External Script and Style
  */

index.html

@@ -4,14 +4,6 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, minimum-scale=1.0" />
 
-  <link rel="dns-prefetch" href="https://one.com" />
-
-  <link rel="preconnect" href="https://one.com" />
-  <link rel="preconnect" href="https://two.com" />
-  <link rel="preconnect" href="https://three.com" />
-  <link rel="preconnect" href="https://four.com" />
-  <link rel="preconnect" href="https://five.com" />
-
   <link rel="stylesheet" href="./ct.css" class="ct" />
 
   <link rel="stylesheet" href="./style?print" media="print" />