meson: remove cppfs dependency

The dependency on the c++fs library is something very old from the C++14
era and is no longer necessary with a modern compiler.  Remove the
explicit dependency from the meson setup.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I1d0f7d89f65ac57553f1354dc4087e38451dfd0c
diff --git a/meson.build b/meson.build
index 4e0f073..5a7f4e4 100644
--- a/meson.build
+++ b/meson.build
@@ -49,8 +49,6 @@
 sdbusplus = dependency('sdbusplus')
 ssl = dependency('openssl')
 
-add_project_link_arguments(['-lstdc++fs'], language: 'cpp')
-
 subdir('src')
 
 build_tests = get_option('tests')