Remove reference to PROC_CHECK

PROC_CHECK is not defined anymore, since the removal of automake.

Author: 0intro

src/OVAL/probes/unix/linux/partition_probe.c

@@ -274,7 +274,7 @@ int partition_probe_main(probe_ctx *ctx, void *probe_arg)
         const char *prefix = getenv("OSCAP_PROBE_ROOT");
         snprintf(mnt_path, PATH_MAX, "%s"MTAB_PATH, prefix ? prefix : "");
 
-#if defined(PROC_CHECK) && defined(OS_LINUX)
+#if defined(OS_LINUX)
         int   mnt_fd;
         struct statfs stfs;