Remove system error

Author: LinZhihao-723

components/core/tests/test-error_handling.cpp

@@ -7,7 +7,8 @@
 #include <type_traits>
 
 #include <Catch2/single_include/catch2/catch.hpp>
-#include <error_handling/ErrorCode.hpp>
+
+#include "../src/clp/error_handling/ErrorCode.hpp"
 
 using clp::error_handling::ErrorCategory;
 using clp::error_handling::ErrorCode;