Remove more "// file :" lines forgotten.

Filtered_kernel/examples/Filtered_kernel/Filtered_predicate.cpp

@@ -1,4 +1,3 @@
-// file : examples/Filtered_kernel/Filtered_predicate.cpp
 
 #include <CGAL/Simple_cartesian.h>
 #include <CGAL/Filtered_predicate.h>

Generator/examples/Generator/random_polygon.cpp

@@ -1,4 +1,3 @@
-// file : examples/Generator/random_polygon_ex.cpp
 
 #include <CGAL/Cartesian.h>
 #include <CGAL/Polygon_2.h>

Nef_2/examples/Nef_2/construction.cpp

@@ -1,4 +1,3 @@
-// file : examples/Nef_2/construction.cpp
 
 #include <CGAL/Gmpz.h>
 #include <CGAL/Filtered_extended_homogeneous.h>

Nef_2/examples/Nef_2/polylines.cpp

@@ -1,4 +1,3 @@
-// file : examples/Nef_2/polylines.cpp
 
 #include <CGAL/Gmpq.h>
 #include <CGAL/Lazy_exact_nt.h>

Nef_2/examples/Nef_2/simple_intersection.cpp

@@ -1,4 +1,3 @@
-// file : examples/Nef_2/simple_intersection.cpp
 
 #include <CGAL/Gmpz.h>
 #include <CGAL/Filtered_extended_homogeneous.h>

Triangulation_2/examples/Triangulation_2/adding_handles.cpp

@@ -1,4 +1,3 @@
-// file : examples/Triangulation_2/adding_handles.cpp
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Triangulation_2.h>

Triangulation_2/examples/Triangulation_2/colored_face.cpp

@@ -1,4 +1,3 @@
-// file : examples/Triangulation_2/colored_face.cpp
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/IO/Color.h>

Triangulation_2/examples/Triangulation_2/constrained.cpp

@@ -1,4 +1,3 @@
-// file : examples/Triangulation_2/constrained.cpp
 
 #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
 #include <CGAL/Constrained_Delaunay_triangulation_2.h>