Update 'src/app/components/middle-point/models/middle-point-model.js'

Previous debug message was provoking error in crationg of second Circumference c1: c0:=Circumference(A,B); c1:=Circumference(B,A);
Only one "//D console.trace()" added

src/app/components/middle-point/models/middle-point-model.js

@@ -15,6 +15,7 @@ import { ELEMENTS_CLASS } from "../../../core/enums/elements-class-enum";
 export class MiddlePointModel extends PointModel {
 
   constructor (pointA, pointB, label, id) {
+  //D console.trace();
   try {
     super(id);
     this.pointA = pointA;