Don't link to specific WHATWG multipage page

"Links to the multipage version of the specification are unfortunately
likely to break over time."
-- https://html.spec.whatwg.org/multipage/asefij.html

This commit removes all references to the specific pages when viewing
WHATWG using multipage mode. I went through all these links and they
redirect fine.

Regex used to generate this commit:

`s_whatwg.org/multipage/.*#_whatwg.org/multipage/#_g`

resources/iso-8859-8.css

@@ -1,6 +1,6 @@
 /*
 
-https://html.spec.whatwg.org/multipage/rendering.html#bidi-rendering
+https://html.spec.whatwg.org/multipage/#bidi-rendering
 
 > When the document's character encoding is ISO-8859-8,
 > the following rules are additionally expected to apply, following [user-agent.css]

resources/presentational-hints.css

@@ -1,5 +1,5 @@
 /*
-https://html.spec.whatwg.org/multipage/rendering.html#presentational-hints
+https://html.spec.whatwg.org/multipage/#presentational-hints
 */
 
 @namespace url(http://www.w3.org/1999/xhtml);
@@ -9,7 +9,7 @@ pre[wrap] { white-space: pre-wrap; }
 
 /*
 FIXME: also "align descendants"
-https://html.spec.whatwg.org/multipage/rendering.html#align-descendants
+https://html.spec.whatwg.org/multipage/#align-descendants
 */
 center, div[align=center i], div[align=middle i] { text-align: center; }
 div[align=left i] { text-align: left; }
@@ -240,7 +240,7 @@ applet, embed, iframe, img, input[type=image i], object, video
 
 Extra
   ol > li
-    https://html.spec.whatwg.org/multipage/semantics.html#ordinal-value
+    https://html.spec.whatwg.org/multipage/#ordinal-value
   col
     span
   colgroup (if not col child)
@@ -253,7 +253,7 @@ Extra
     text-align: center;
   }
 
-  https://html.spec.whatwg.org/multipage/rendering.html#rendered-legend
+  https://html.spec.whatwg.org/multipage/#rendered-legend
 
 */
 

resources/quirks-mode.css

@@ -1,6 +1,6 @@
 /*
 
-https://html.spec.whatwg.org/multipage/rendering.html#flow-content-3
+https://html.spec.whatwg.org/multipage/#flow-content-3
 
 > In quirks mode, the following rules are also expected to apply:
 
@@ -23,7 +23,7 @@ table {
 }
 
 
-/* FIXME: https://html.spec.whatwg.org/multipage/rendering.html#margin-collapsing-quirks */
+/* FIXME: https://html.spec.whatwg.org/multipage/#margin-collapsing-quirks */
 
 
 input:not([type=image]), textarea { box-sizing: border-box; }

resources/quotes.css

@@ -1,6 +1,6 @@
 /*
 
-https://html.spec.whatwg.org/multipage/rendering.html#quotes
+https://html.spec.whatwg.org/multipage/#quotes
 
 > This block is automatically generated from the Unicode Common Locale Data Repository.
 > http://cldr.unicode.org/

resources/user-agent.css

@@ -1,5 +1,5 @@
 /*
-https://html.spec.whatwg.org/multipage/rendering.html#form-controls
+https://html.spec.whatwg.org/multipage/#form-controls
 */
 
 @namespace url(http://www.w3.org/1999/xhtml);