cov: remove unused headers

lib/device/online.c

@@ -16,7 +16,6 @@
 #include "lib/misc/lib.h"
 #include "lib/commands/toolcontext.h"
 #include "lib/device/device.h"
-#include "lib/device/device_id.h"
 #include "lib/device/online.h"
 
 #include <dirent.h>

lib/label/hints.c

@@ -146,7 +146,6 @@
 #include "lib/label/hints.h"
 #include "lib/device/dev-type.h"
 #include "lib/device/device_id.h"
-#include "lib/device/online.h"
 
 #include <sys/stat.h>
 #include <fcntl.h>

libdaemon/server/daemon-server.c

@@ -20,7 +20,6 @@
 #include <errno.h>
 #include <fcntl.h> /* help musl C */
 #include <pthread.h>
-#include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/time.h>

libdm/libdm-deptree.c

@@ -19,7 +19,6 @@
 #include "libdm/misc/dm-ioctl.h"
 
 #include <stdarg.h>
-#include <sys/param.h>
 #include <sys/utsname.h>
 
 #define MAX_TARGET_PARAMSIZE 500000