svl: remove redundant virtual keywords in SfxGrabBagItem

Change-Id: I6e336491da7490390970b670b1c35e2c860f43ce
Reviewed-on: https://gerrit.libreoffice.org/37745Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

include/svl/grabbagitem.hxx

@@ -25,7 +25,7 @@ public:
 
     SfxGrabBagItem();
     SfxGrabBagItem(sal_uInt16 nWhich);
-    virtual ~SfxGrabBagItem() override;
+    ~SfxGrabBagItem() override;
 
     const std::map<OUString, css::uno::Any>& GetGrabBag() const
     {
@@ -37,11 +37,11 @@ public:
         return m_aMap;
     }
 
-    virtual bool operator==(const SfxPoolItem&) const override;
-    virtual SfxPoolItem* Clone(SfxItemPool* pPool = nullptr) const override;
+    bool operator==(const SfxPoolItem&) const override;
+    SfxPoolItem* Clone(SfxItemPool* pPool = nullptr) const override;
 
-    virtual bool PutValue(const css::uno::Any& rVal, sal_uInt8 nMemberId) override;
-    virtual bool QueryValue(css::uno::Any& rVal, sal_uInt8 nMemberId = 0) const override;
+    bool PutValue(const css::uno::Any& rVal, sal_uInt8 nMemberId) override;
+    bool QueryValue(css::uno::Any& rVal, sal_uInt8 nMemberId = 0) const override;
 };
 #endif