scanf and printf removed from examples, don't need to diable warnings on msvc

CMakeLists.txt

@@ -92,8 +92,7 @@ if(CMAKE_COMPILER_IS_GNUCC OR "x${CMAKE_C_COMPILER_ID}" STREQUAL "xClang")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_DARWIN_C_SOURCE=1")
   endif()
 elseif(MSVC)
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /WX") # Compiler warnings, error on warning
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D_CRT_SECURE_NO_WARNINGS") # don't give warnings for scanf and printf
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /WX") # Compiler warnings, error on warning
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
   set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
 endif()