Remove the round method

This was already fixed here:
https://github.com/patricksnape/opencv_contrib/commit/8247a7a0f59ba6c1fcfbac6a660db3f8acdc9ff8

Now uses cvround

modules/xfeatures2d/src/daisy.cpp

@@ -53,19 +53,6 @@
 #include <fstream>
 #include <stdlib.h>
 
-#ifdef _MSC_VER
-    #if (_MSC_VER <= 1700)
-        /* This function rounds x to the nearest integer, but rounds halfway cases away from zero. */
-        static inline double round(double x)
-        {
-            if (x < 0.0)
-                return ceil(x - 0.5);
-            else
-                return floor(x + 0.5);
-        }
-    #endif
-#endif
-
 namespace cv
 {
 namespace xfeatures2d