[css-animations-2] Drop mentions of CSSAnimation constructor

Author: birtles

css-animations-2/Overview.bs

@@ -102,9 +102,6 @@ The <dfn>owning element</dfn> of an animation refers to the element or
 pseudo-element to which the 'animation-name' property was applied that generated
 the animation.
 
-If an animation was generated directly by script (e.g. using
-the {{CSSAnimation}} constructor) then it has no <a>owning element</a>.
-
 If an animation generated using the markup defined in this specification is
 later disassociated from that markup by an update to the computed value of the
 'animation-name' property on the <a>owning element</a>, the animation is
@@ -147,9 +144,9 @@ animation.effect = null;
 
 ## Animation composite order ## {#animation-composite-order}
 
-<a spec='web-animations'>Animations</a> generated from the markup or interfaces
-(e.g. the {{CSSAnimation}} constructor) defined in this specification have an
-<a>animation class</a> of &lsquo;CSS Animation&rsquo;.
+<a spec='web-animations'>Animations</a> generated from the markup defined in
+this specification have an <a>animation class</a> of &lsquo;CSS
+Animation&rsquo;.
 
 CSS Animations <em>with</em> an <a>owning element</a> have a <em>later</em>
 composite order than CSS Transitions but an <em>earlier</em> composite order
@@ -198,9 +195,6 @@ Note, this behavior relies on the fact that disassociating an animation
 from its <a>owning element</a> always causes it to enter (or remain) in the
 <a>idle play state</a>.
 
-CSS Animations created using the {{CSSAnimation}} constructor are appended
-to the <a>global animation list</a> at the moment they are constructed.
-
 # Keyframes # {#keyframes}
 
 ## The 'animation-play-state' property ## {#animation-play-state}
@@ -550,47 +544,7 @@ interface CSSAnimation : Animation {
 ::  The key used to find matching keyframes rules that define <a>target
     effect</a> at the point when the animation was created.
     This is the value of the 'animation-name' property that caused this
-    object to be generated or, if this object was generated using the
-    programming interface, the <code>animationName</code> argument
-    that was passed to the {{CSSAnimation}} constructor.
-
-<div class="issue">
-
-We need to define a constructor for {{CSSAnimation}}.
-Perhaps something like the following:
-
-<pre class="idl">
-partial interface CSSAnimation {
-  constructor(Animatable? target,
-              CSSOMString animationName,
-              optional (unrestricted double or KeyframeEffectOptions) options,
-              optional CSSOMString defaultEasing = "ease");
-  constructor(Animatable? target,
-              CSSOMString animationName,
-              (unrestricted double or KeyframeEffectOptions) options,
-              CSSOMString defaultEasing,
-              AnimationTimeline? timeline);
-};
-</pre>
-
-The difficulty is with liveness. The most useful and least magical
-(but most complicated) approach is to define a subclass of
-{{KeyframeEffectReadOnly}} that has the special behavior of tracking changes
-to all @keyframes rules that match the supplied name and automatically
-updating the set of keyframes returned by
-{{KeyframeEffectReadOnly/getFrames()}} after filling-in the default easing.
-
-Something like,
-
-<pre class="idl">
-interface CSSKeyframeEffectReadOnly : KeyframeEffectReadOnly {
-  constructor(CSSOMString keyframesName, CSSOMString defaultEasing);
-  readonly attribute CSSOMString keyframesName;
-  readonly attribute CSSOMString defaultEasing;
-};
-</pre>
-
-</div>
+    object to be generated.
 
 ## Requirements on pending style changes ## {#requirements-on-pending-style-changes}