[css-transforms-2] Go ahead and inline the rotate computed value.

Author: tabatkins

css-transforms-2/Overview.bs

@@ -578,7 +578,7 @@ Value: none | <<angle>> | [ x | y | z | <<number>>{3} ] && <<angle>>
 Initial: none
 Applies to: <a>transformable elements</a>
 Inherited: no
-Computed value: the keyword ''rotate/none'', or else see prose
+Computed value: the keyword ''rotate/none'', or an <<angle>>, optionally with an axis consisting of a [=list=] of three <<number>>s
 Animatable: as SLERP, but see below for ''rotate/none''
 </pre>
 
@@ -587,8 +587,6 @@ and optionally an axis to rotate it around.
 
 If the axis is omitted, this specifies a 2d rotation,
 equivalent to the ''rotate()'' function.
-In this case, the [=computed value=] of the property
-is a single <<angle>> value.
 
 Otherwise, it specifies a 3d rotation:
 if <dfn value for=rotate>x</dfn>,
@@ -600,9 +598,6 @@ Alternately, the axis can be specified explicitly
 by giving three numbers
 representing the x, y, and z components of an origin-centered vector,
 equivalent to the ''rotate3d()'' function.
-In this case, the [=computed value=] of the property
-is an <<angle>> and an axis,
-the latter consisting of a [=list=] of three <<number>>s.
 
 Note: While ''rotate: 30deg;'' and ''rotate: z 30deg;'' technically specify the same rotation,
 the first declaration is a 2d transform equivalent to ''transform: rotate(30deg);'',