[examples] remove complex_io.cpp (linking error)

Author: planetmarshall

examples/CMakeLists.txt

@@ -17,9 +17,6 @@ target_link_libraries(selecting_datasets PRIVATE h5cpp::h5cpp)
 add_executable(std_vector_io std_vector_io.cpp)
 target_link_libraries(std_vector_io PRIVATE h5cpp::h5cpp)
 
-add_executable(complex_io complex_io.cpp)
-target_link_libraries(complex_io PRIVATE h5cpp::h5cpp)
-
 add_executable(writing_image writing_image.cpp
   rgbpixel.cpp)
 target_link_libraries(writing_image PRIVATE h5cpp::h5cpp)
@@ -45,7 +42,6 @@ add_dependencies(examples
   basic_files
   selecting_datasets
   std_vector_io
-  complex_io
   writing_image
   append_scalar_data
   append_vector_data