Remove fakeos.py fixture that hasn't been used for years

supervisor/tests/fixtures/fakeos.py

@@ -1,36 +0,0 @@
-from os import *
-from os import _exit
-import os
-
-class FakeOS:
-    def __init__(self):
-        self.orig_uid = os.getuid()
-        self.orig_gid = os.getgid()
-
-    def setgroups(*args):
-        return
-
-    def getuid():
-        return 0
-
-    def setuid(arg):
-        self.uid = arg
-        self.setuid_called = 1
-
-    def setgid(arg):
-        self.gid = arg
-        self.setgid_called = 1
-
-    def clear():
-        self.uid = orig_uid
-        self.gid = orig_gid
-        self.setuid_called = 0
-        self.setgid_called = 0
-
-fake = FakeOS()
-
-setgroups = fake.setgroups
-getuid = fake.getuid
-setuid = fake.setuid
-setgid = fake.setgid
-clear = fake.clear