0023604: Uninitialized variables in debug mode

Removed #ifndef DEB ... #else ... #endif directives where the variables were being initialized only in release mode.
Removed unused part of code.

src/BRepFill/BRepFill_TrimSurfaceTool.cxx

@@ -164,11 +164,7 @@ static Standard_Real EvalPhase(const TopoDS_Edge& Edge,
 {
   gp_Pnt2d PE1,PE2,PF1,PF2;
   Standard_Real VDeg;
-#ifndef DEB
   Standard_Real V = 0.;
-#else
-  Standard_Real V;
-#endif
   BRep_Tool::UVPoints(Edge,Face,PE1,PE2);
   VDeg = PE1.Y();
   TopExp_Explorer Exp(Face,TopAbs_EDGE);