Minimize usages of legacy C API inside the library

modules/legacy/include/opencv2/legacy/compat.hpp

@@ -39,14 +39,6 @@
 //
 //M*/
 
-/*
-   A few macros and definitions for backward compatibility
-   with the previous versions of OpenCV. They are obsolete and
-   are likely to be removed in future. To check whether your code
-   uses any of these, define CV_NO_BACKWARD_COMPATIBILITY before
-   including cv.h.
-*/
-
 #ifndef __OPENCV_COMPAT_HPP__
 #define __OPENCV_COMPAT_HPP__
 

modules/legacy/src/corrimages.cpp

@@ -40,11 +40,6 @@
 //M*/
 
 #include "precomp.hpp"
-//#include "cvtypes.h"
-//#include <float.h>
-//#include <limits.h>
-//#include "cv.h"
-//#include "highgui.h"
 #if 0
 #include <stdio.h>
 

modules/legacy/src/levmarprojbandle.cpp

@@ -41,11 +41,8 @@
 
 
 #include "precomp.hpp"
-//#include "cvtypes.h"
 #include <float.h>
 #include <limits.h>
-//#include "cv.h"
-
 #include <stdio.h>
 
 void icvReconstructPoints4DStatus(CvMat** projPoints, CvMat **projMatrs, CvMat** presPoints, CvMat *points4D,int numImages,CvMat **projError=0);

modules/legacy/src/trifocal.cpp

@@ -42,12 +42,8 @@
 #include "precomp.hpp"
 #include "opencv2/calib3d/calib3d_c.h"
 
-//#include "cvtypes.h"
 #include <float.h>
 #include <limits.h>
-//#include "cv.h"
-//#include "windows.h"
-
 #include <stdio.h>
 
 /* Valery Mosyagin */