Fix #2837: remove (y, x) from the comment

Author: mhegazy

src/lib/core.d.ts

@@ -546,7 +546,7 @@ interface Math {
       */
     atan(x: number): number;
     /**
-      * Returns the angle (in radians) from the X axis to a point (y,x).
+      * Returns the angle (in radians) from the X axis to a point.
       * @param y A numeric expression representing the cartesian y-coordinate.
       * @param x A numeric expression representing the cartesian x-coordinate.
       */