removed test output

modules/features2d/src/matchers.cpp

@@ -354,15 +354,6 @@ void BruteForceMatcher<L2<float> >::knnMatchImpl( const Mat& queryDescriptors, v
 #ifndef HAVE_EIGEN
     commonKnnMatchImpl( *this, queryDescriptors, matches, knn, masks, compactResult );
 #else
-
-#if EIGEN_WORLD_VERSION == 2
-    printf("EIGEN VERSION = 2 ");
-#endif
-
-#if EIGEN_WORLD_VERSION == 3
-    printf("EIGEN VERSION = 3 ");
-#endif
-
     CV_Assert( queryDescriptors.type() == CV_32FC1 ||  queryDescriptors.empty() );
     CV_Assert( masks.empty() || masks.size() == trainDescCollection.size() );