Drop experimental::filesystem

From c++17 onwards, we have std::filesystem use this instead.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I18dfce63020fd8683abc5c9afd4af898e20ebe62
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d291cc..2e4cd89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,7 +51,7 @@
 
 add_executable(${PROJECT_NAME} ${SRC_FILES})
 target_link_libraries(${PROJECT_NAME} ${DBUSINTERFACE_LIBRARIES} )
-target_link_libraries(${PROJECT_NAME} "${SDBUSPLUSPLUS_LIBRARIES} -lstdc++fs -lphosphor_dbus")
+target_link_libraries(${PROJECT_NAME} "${SDBUSPLUSPLUS_LIBRARIES} -lphosphor_dbus")
 
 install (TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_BINDIR})
 target_compile_definitions (