Remove CMake. (#645)

tutorial/CMakeLists.txt

@@ -1 +0,0 @@
-add_subdirectory(cpp)

tutorial/cpp/CMakeLists.txt

@@ -1,15 +0,0 @@
-file(GLOB srcs ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp)
-
-# Build each source file independently
-include_directories(../../../)	# faiss root directory
-
-foreach(source ${srcs})
-    get_filename_component(name ${source} NAME_WE)
-
-    # target
-    add_executable(${name} ${source})
-    target_link_libraries(${name} ${faiss_lib})
-
-    # Install
-    install(TARGETS ${name} DESTINATION bin)
-endforeach(source)