chore: remove pointer defaults

Author: jrandolf-google

index.bs

@@ -10340,15 +10340,15 @@ specified sequence of user input actions.
       }
 
       input.PointerCommonProperties = (
-        ? width: js-uint .default 1,
-        ? height: js-uint .default 1,
-        ? pressure: float .default 0.0,
-        ? tangentialPressure: float .default 0.0,
-        ? twist: (0..359) .default 0,
+        ? width: js-uint,
+        ? height: js-uint,
+        ? pressure: float,
+        ? tangentialPressure: float,
+        ? twist: 0..359,
         ; 0 .. Math.PI / 2
-        ? altitudeAngle: (0.0..1.5707963267948966) .default 0.0,
+        ? altitudeAngle: 0.0..1.5707963267948966
         ; 0 .. 2 * Math.PI
-        ? azimuthAngle: (0.0..6.283185307179586) .default 0.0,
+        ? azimuthAngle: 0.0..6.283185307179586,
       )
 
       input.Origin = "viewport" / "pointer" / input.ElementOrigin