Revert "coverity#1371239 Missing move assignment operator"

This reverts commit 8909cbeb31.

connectivity/source/inc/file/fcode.hxx

@@ -44,16 +44,7 @@ namespace connectivity
         class OOO_DLLPUBLIC_FILE OCode
         {
         public:
-            //virtual dtor to allow this to be the root of the class hierarchy
             virtual ~OCode() = default;
-            //but that disables the default move ctor
-            OCode(OCode&&) = default;
-            //but that disables the rest of default ctors
-            OCode(const OCode&) = default;
-            OCode() = default;
-            //and same issue for the assignment operators
-            OCode& operator=(const OCode&) = default;
-            OCode& operator=(OCode&&) = default;
 
             inline static void * SAL_CALL operator new( size_t nSize )
                 { return ::rtl_allocateMemory( nSize ); }