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/LProp/LProp_AnalyticCurInf.cxx

@@ -76,10 +76,8 @@ void LProp_AnalyticCurInf::Perform (const GeomAbs_CurveType  CType,
       Result.AddExtCur(0.0   , Standard_True);
     }
     break; 
-#ifndef DEB
   default:
     break; 
-#endif
   }
 }