loplugin:unnecessaryoverride (dtors) in svl

Change-Id: I6dd35199e15aebf547578642692db2b1983ebd95

svl/qa/unit/items/test_itempool.cxx

@@ -19,7 +19,6 @@ class PoolItemTest : public CppUnit::TestFixture
 {
   public:
              PoolItemTest() {}
-    virtual ~PoolItemTest() override {}
 
     void testPool();
 

svl/source/config/cjkoptions.cxx

@@ -62,7 +62,6 @@ class SvtCJKOptions_Impl : public utl::ConfigItem
 
 public:
     SvtCJKOptions_Impl();
-    virtual ~SvtCJKOptions_Impl() override;
 
     virtual void    Notify( const css::uno::Sequence< OUString >& rPropertyNames ) override;
     void            Load();
@@ -114,10 +113,6 @@ SvtCJKOptions_Impl::SvtCJKOptions_Impl() :
 {
 }
 
-SvtCJKOptions_Impl::~SvtCJKOptions_Impl()
-{
-}
-
 void    SvtCJKOptions_Impl::SetAll(bool bSet)
 {
     if (