0024784: Move documentation in CDL files to proper location

Mostly duplicated comments were removed and missing ones were moved
into dedicated class CDL files.
Some more duplicated comments were removed from CDL files.
Correction of merge

src/TopAbs/TopAbs.cdl

@@ -15,10 +15,6 @@
 -- commercial license or contractual agreement.
 
 package TopAbs 
-
-    	---Level : Public. 
-    	--  All methods of all  classes will be public.
-
 	---Purpose: This package gives resources for Topology oriented
 	--          applications such as : Topological Data Structure,
 	--          Topological Algorithms.
@@ -36,6 +32,9 @@ package TopAbs
 	--            
 	--            * Methods to manage the enumerations.
 
+    ---Level : Public.
+    --  All methods of all  classes will be public.
+
 is
 
     enumeration ShapeEnum is