Remove CSSMathValue.type

Author: nainar

css-typed-om/Overview.bs

@@ -1519,7 +1519,6 @@ are represented in this way.
 <xmp class=idl>
 interface CSSMathValue : CSSNumericValue {
     readonly attribute CSSMathOperator operator;
-    readonly attribute DOMString type;
 };
 
 [Constructor(CSSNumberish... args)]
@@ -1654,29 +1653,6 @@ of all the "math" operations.
     it returns a new {{CSSMathInvert}} object.
 </div>
 
-<div algorithm>
-    The <dfn>[=type=] of a CSSMathValue</dfn>
-    depends on its class:
-
-    <dl class=switch>
-        : {{CSSMathSum}}
-        : {{CSSMathMin}}
-        : {{CSSMathMax}}
-        :: The [=type=] is the result of [=adding=] the [=types=]
-            of each of the [=list/items=] in its {{CSSMathSum/values}} internal slot.
-
-        : {{CSSMathProduct}}
-        :: The [=type=] is the result of [=multiplying=] the [=types=]
-            of each of the [=list/items=] in its {{CSSMathProduct/values}} internal slot.
-
-        : {{CSSMathNegate}}
-        : {{CSSMathInvert}}
-        :: The [=type=] is the same as the [=type=] of its {{CSSMathNegate/value}} internal slot,
-            but with all [=map/values=] negated.
-    </dl>
-</div>
-
-
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