COMP: unneeded conversion method to base class

- conversion still needed in the specializations for primitives but
  not in the generic case

src/OpenFOAM/primitives/Lists/hashedWordList.H

@@ -119,9 +119,6 @@ public:
         //- Assignment operator.
         inline void operator=(const hashedWordList&);
 
-        //- Allow readonly access to list of words
-        inline operator const Foam::UList<word>&() const;
-
         //- Return name corresponding to specified index
         inline const word& operator[](const label index) const;
 

src/OpenFOAM/primitives/pTraits/pTraits.H

@@ -27,7 +27,9 @@ Class
 Description
     Traits class for primitives.
 
-    All primitives need a specialised version of this class
+    All primitives need a specialised version of this class. The
+    specialised version will normally also require a conversion
+    method.
 
 \*---------------------------------------------------------------------------*/
 
@@ -66,21 +68,6 @@ public:
         :
             PrimitiveType(is)
         {}
-
-
-    // Member operators
-
-        //- Access to the primitive
-        operator PrimitiveType() const
-        {
-            return *this;
-        }
-
-        //- Access to the primitive
-        operator PrimitiveType&()
-        {
-            return *this;
-        }
 };