Remove psutil from tree, install via install-build-deps.sh

third_party/psutil/psutil/arch/bsd/process_info.h

Index: third_party/psutil/psutil/arch/bsd/process_info.h
diff --git a/third_party/psutil/psutil/arch/bsd/process_info.h b/third_party/psutil/psutil/arch/bsd/process_info.h
deleted file mode 100644
index 91291533dc9df82ba2c1cd91aef9159a838f34ff..0000000000000000000000000000000000000000
--- a/third_party/psutil/psutil/arch/bsd/process_info.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * $Id: process_info.h 1142 2011-10-05 18:45:49Z g.rodola $
- *
- * Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * Helper functions related to fetching process information. Used by _psutil_bsd
- * module methods.
- */
-
-#include <Python.h>
-
-typedef struct kinfo_proc kinfo_proc;
-
-int get_proc_list(struct kinfo_proc **procList, size_t *procCount);
-char *getcmdargs(long pid, size_t *argsize);
-char *getcmdpath(long pid, size_t *pathsize);
-PyObject* get_arg_list(long pid);
-int pid_exists(long pid);
-