Removed Object::setTransformationFrom().

It was confusing anyway and I can't currently think about any
real use-case of this.

src/Object.h

@@ -111,17 +111,6 @@ class MAGNUM_EXPORT Object {
             setTransformation(global ? transformation*_transformation : _transformation*transformation);
         }
 
-        /**
-         * @brief Set transformation and parent from another object
-         *
-         * Sets parent and transformation from another object, so they will
-         * appear in the same place.
-         */
-        inline void setTransformationFrom(Object* another) {
-            setParent(another->parent());
-            setTransformation(another->transformation());
-        }
-
         /**
          * @brief Translate object
          *