0024162: Eliminate CLang compiler warning

Got rid from most cases of appearance '-Wunused-private-field' warning

src/GeomFill/GeomFill_CircularBlendFunc.cdl

@@ -221,7 +221,6 @@ fields
  myBary     :  Pnt   from  gp;   
   
  myRadius   :  Real;
- myMinW     :  Real; 
  maxang     :  Real; 
  minang     :  Real; 
  distmin    :  Real;   

src/GeomFill/GeomFill_ConstrainedFilling.cdl

@@ -226,8 +226,6 @@ fields
 
     -- result curves of aproximation.
     appdone   : Boolean from Standard;
-    tolapp3d  : Real from Standard[4];
-    tolappang : Real from Standard[4];
     degree    : Integer from Standard [2];
     curvpol   : HArray1OfPnt from TColgp [4];
     tgtepol   : HArray1OfPnt from TColgp [4];

src/GeomFill/GeomFill_CoonsAlgPatch.cdl

@@ -103,7 +103,6 @@ fields
     
     -- the corners.
     c   : Pnt from gp [4];
-    gap : Real from Standard [4];
     
     -- the   blending functions.
     a : Function from Law [2];