dlfcn-util: migrate to public SD_ELF_NOTE_DLOPEN() API

Switch all internal callers from the private ELF_NOTE_DLOPEN() macro to
the new public SD_ELF_NOTE_DLOPEN() API from sd-dlopen.h, and remove
the now-redundant macro definitions from dlfcn-util.h.

Signed-off-by: Christian Brauner <brauner@kernel.org>

src/basic/gcrypt-util.c

@@ -2,6 +2,8 @@
 
 #include <sys/syslog.h>
 
+#include "sd-dlopen.h"
+
 #include "gcrypt-util.h"
 
 #if HAVE_GCRYPT
@@ -44,9 +46,10 @@ DLSYM_PROTOTYPE(gcry_strerror) = NULL;
 
 int dlopen_gcrypt(void) {
 #if HAVE_GCRYPT
-        ELF_NOTE_DLOPEN("gcrypt",
+        SD_ELF_NOTE_DLOPEN(
+                        "gcrypt",
                         "Support for journald forward-sealing",
-                        ELF_NOTE_DLOPEN_PRIORITY_SUGGESTED,
+                        SD_ELF_NOTE_DLOPEN_PRIORITY_SUGGESTED,
                         "libgcrypt.so.20");
 
         return dlopen_many_sym_or_warn(