Merge branch 'dev' into spot-removal-tool

rtengine/image16.h

@@ -41,8 +41,6 @@ public:
     Image16* copy() const;
     Image16*             copySubRegion (int x, int y, int width, int height);
 
-    Image8* to8() const;
-
     void getStdImage(const ColorTemp &ctemp, int tran, Imagefloat* image, const PreviewProps &pp) const override;
 
     const char* getType() const override
@@ -68,11 +66,6 @@ public:
         return getEmbeddedProfile();
     }
 
-    int getBitsPerPixel() const override
-    {
-        return 8 * sizeof(unsigned short);
-    }
-
     int saveToFile(const Glib::ustring &fname) const override
     {
         return save(fname);
@@ -98,10 +91,6 @@ public:
         setProgressListener(pl);
     }
 
-    void free() override
-    {
-        delete this;
-    }
     void ExecCMSTransform(cmsHTRANSFORM hTransform);
 
     /* void                 ExecCMSTransform(cmsHTRANSFORM hTransform, const LabImage &labImage, int cx, int cy); */