removed two links to yaml spec as the site is down and it is breaking…

… our preview builds in the marketing site (#1485)

docs/rules/configurable-rules.md

@@ -495,7 +495,7 @@ rules:
 
 Take care using `notPattern` with multiline Markdown values such as `description` fields.
 These may end with a newline or a space rather than the character you expect.
-Use the [double-quoted style](https://yaml.org/spec/1.2.2/#731-double-quoted-style) or take account of this in your pattern.
+Use the double-quoted style or take account of this in your pattern.
 
 ### `pattern` example
 
@@ -513,7 +513,7 @@ rules:
 
 Take care using `pattern` with multiline Markdown values such as `description` fields.
 These may end with a newline or a space rather than the character you expect.
-Use the [double-quoted style](https://yaml.org/spec/1.2.2/#731-double-quoted-style) or take account of this in your pattern.
+Use the double-quoted style or take account of this in your pattern.
 
 ### `ref` example