Revert "Prevent undefined LargeurBerge when switching section types"

This reverts commit 396dceac.

src/section/section_circulaire.ts

@@ -9,8 +9,7 @@ export class ParamsSectionCirc extends ParamsSection {
         private _D: ParamDefinition;          // Diamètre du cercle
 
         constructor(rD: number, rY: number, rKs: number, rQ: number, rIf: number, rYB: number) {
-                // set LargeurBerge to default value so that it is not undefined when changing section type
-                super(rY, 2.5, rKs, rQ, rIf, rYB);
+                super(rY, undefined, rKs, rQ, rIf, rYB);
                 this._D = new ParamDefinition(this, "D", ParamDomainValue.POS, rD, ParamFamily.DIAMETERS);
 
                 this.addParamDefinition(this._D);

src/section/section_trapez.ts

@@ -11,8 +11,7 @@ export class ParamsSectionTrapez extends ParamsSection {
         constructor(rLargeurFond: number, rFruit: number, rY: number, rKs: number,
                     rQ: number, rIf: number, rYB: number) {
 
-                // set LargeurBerge to default value so that it is not undefined when changing section type
-                super(rY, 2.5, rKs, rQ, rIf, rYB);
+                super(rY, undefined, rKs, rQ, rIf, rYB);
                 this._LargeurFond = new ParamDefinition(this, "LargeurFond", ParamDomainValue.POS_NULL,
                         rLargeurFond, ParamFamily.WIDTHS);
                 this._Fruit = new ParamDefinition(this, "Fruit", ParamDomainValue.POS_NULL, rFruit);