Remove checks except for mode

dom.bs

@@ -6933,10 +6933,6 @@ are:
 <a for=/>element</a> <var>element</var>, a string <var>mode</var>, a boolean <var>clonable</var>,
 a boolean <var>delegatesFocus</var>, and a string <var>slotAssignment</var>:
 
-<!-- Any new parameters added to <a>attach a shadow root</a> should be
- added to the list of parameter-match tests under "If one of the
- following is true" below. -->
-
 <ol>
  <li><p>If <var>element</var>'s <a for=Element>namespace</a> is not the <a>HTML namespace</a>,
  then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
@@ -6974,16 +6970,7 @@ a boolean <var>delegatesFocus</var>, and a string <var>slotAssignment</var>:
  <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>declarative</a> is false,
 
  <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>mode</a> does not match
- <var>mode</var>,
-
- <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>delegates focus</a> does
- not match <var>delegatesFocus</var>,
-
- <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>slot assignment</a> does
- not match <var>slotAssignment</var>, or
-
- <li><p><var>currentShadowRoot</var>'s <a for=ShadowRoot>clonable</a> does
- not match <var>clonable</var>,
+ <var>mode</var>, or
  </ul>
 
  <p>then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.