Get rid of cvconfig.h in Latent SVM samples. Use common OpenCV parallel framework instead of direct TBB calls.

samples/cpp/CMakeLists.txt

@@ -90,7 +90,7 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
   endforeach()
 endif()
 
-if (INSTALL_C_EXAMPLES AND NOT WIN32)
+if (OCV_DEPENDENCIES_FOUND AND INSTALL_C_EXAMPLES AND NOT WIN32)
   file(GLOB C_SAMPLES *.c *.cpp *.jpg *.png *.data makefile.* build_all.sh *.dsp *.cmd )
   install(FILES ${C_SAMPLES}
           DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/cpp

samples/cpp/latentsvm_multidetect.cpp

@@ -9,14 +9,6 @@
 #include <dirent.h>
 #endif
 
-#ifdef HAVE_CVCONFIG_H
-#include <cvconfig.h>
-#endif
-
-#ifdef HAVE_TBB
-#include "tbb/task_scheduler_init.h"
-#endif
-
 using namespace std;
 using namespace cv;