[css-transforms-1] Remove 3-value rotate from transform function primitive list

Author: dirkschulze

css-transforms-1/Overview.bs

@@ -943,9 +943,6 @@ Some transform functions can be represented by more generic transform functions.
 	<dt id="translate-primitive">''translate()''
 	<dd>for <<translateX()>>, <<translateY()>> and <<translate()>>.
 
-	<dt id="rotate-three-primitive">''rotate()'' with three arguments
-	<dd>for <<rotate()>> with one or three arguments if <a href="#svg-transform-functions">rotate with three arguments</a> is supported.
-
 	<dt id="scale-primitive">''scale()''
 	<dd>for <<scaleX()>>, <<scaleY()>> and <<scale()>>.
 
@@ -1416,6 +1413,7 @@ The following changes were made since the <a href="https://www.w3.org/TR/2017/WD
 * Allow interpolation between some <<transform-list>>s with different length.
 * No 'transform' on non-replaced inline boxes, table-column boxes, and table-column-group boxes.
 * Define target coordinate space for transformations on <{pattern}>, <{linearGradient}>, <{radialGradient}> and <{clipPath}> elements.
+* Remove 3-value <<rotate()>> from transform function primitives.
 * Editorial changes.
 
 <h2 class=no-num id='acknowledgments'>Acknowledgments</h2>