Remove the 'examples' folder from axis (#764)

Author: aismann

CMakeLists.txt

@@ -76,9 +76,4 @@ if(AX_BUILD_TESTS)
       add_subdirectory(${AXIS_ROOT_PATH}/tests/lua-tests/project ${ENGINE_BINARY_PATH}/tests/lua-test)
     endif(AX_ENABLE_EXT_LUA)
 
-endif()
-
-if(AX_BUILD_EXAMPLES)
-    # add examples/SimpleSnake into project(axis) for tmp example
-    add_subdirectory(${AXIS_ROOT_PATH}/examples/SimpleSnake ${ENGINE_BINARY_PATH}/examples/SimpleSnake)
-endif()
+endif()