Revert "pid1: pull in libmount unconditionally"

This reverts commit 6069de1ed3.

src/core/main.c

@@ -59,7 +59,6 @@
 #include "killall.h"
 #include "kmod-setup.h"
 #include "label-util.h"
-#include "libmount-util.h"
 #include "limits-util.h"
 #include "load-fragment.h"
 #include "log.h"
@@ -3311,12 +3310,6 @@ int main(int argc, char *argv[]) {
                 goto finish;
         }
 
-        r = dlopen_libmount();
-        if (r < 0) {
-                error_message = "Failed to load libmount.so";
-                goto finish;
-        }
-
         r = initialize_runtime(skip_setup,
                                first_boot,
                                &saved_rlimit_nofile,

src/core/meson.build

@@ -202,7 +202,6 @@ executables += [
                 'dependencies' : [
                         libapparmor_cflags,
                         libkmod_cflags,
-                        libmount_cflags,
                         libseccomp_cflags,
                         libselinux_cflags,
                 ],