fixed warnings in docs

Author: danston

Shape_detection/doc/Shape_detection/examples.txt

@@ -5,7 +5,6 @@
 \example Shape_detection/efficient_RANSAC_with_point_access.cpp
 \example Shape_detection/include/efficient_RANSAC_with_custom_shape.h
 \example Shape_detection/efficient_RANSAC_with_custom_shape.cpp
-\example Shape_detection/efficient_RANSAC_and_plane_regularization.cpp
 \example Shape_detection/region_growing_lines_on_point_set_2.cpp
 \example Shape_detection/region_growing_circles_on_point_set_2.cpp
 \example Shape_detection/region_growing_planes_on_point_set_3.cpp