doc: no shortcut in rel="icon"

According to https://html.spec.whatwg.org/multipage/links.html#rel-icon: > For historical reasons, the `icon` keyword may be preceded by > the keyword "`shortcut`". And to https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types: > **Warning:** The `shortcut` link type is often seen before `icon`, > but this link type is non-conforming, ignored and **web authors > must not use it anymore.** Signed-off-by: Miguel Ojeda <[email protected]>
Dylan-DPC · Jan 28, 2022 · 30685ed · 30685ed
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diff --git a/src/doc/favicon.inc b/src/doc/favicon.inc
@@ -1 +1 @@
-<link rel="shortcut icon" href="https://www.rust-lang.org/favicon.ico">
+<link rel="icon" href="https://www.rust-lang.org/favicon.ico">
diff --git a/src/doc/redirect.inc b/src/doc/redirect.inc
@@ -1,2 +1,2 @@
 <meta name="robots" content="noindex,follow">
-<link rel="shortcut icon" href="https://www.rust-lang.org/favicon.ico">
+<link rel="icon" href="https://www.rust-lang.org/favicon.ico">