all: make buildable again for new 'misc.h' header file

With the 4 header files removed in the previous patch,
this commit just changes all those obsolete references
to that new consolidated 'misc.h' header file instead.

Signed-off-by: Jim Warner <james.warner@comcast.net>

proc/pids.c

@@ -36,10 +36,9 @@
 #include <sys/types.h>
 
 #include <proc/devname.h>
+#include <proc/misc.h>
 #include <proc/numa.h>
 #include <proc/readproc.h>
-#include <proc/sysinfo.h>
-#include <proc/uptime.h>
 #include <proc/wchan.h>
 
 #include <proc/procps-private.h>