[PATCH] run-tests: clean up unused globals that were removed by tests-refactor series

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1413636731 -32400
#      Sat Oct 18 21:52:11 2014 +0900
# Node ID 88895fbb0711abc17c0ce03489a897892eed3c2e
# Parent  2d222b13ef0f18f4e0083ebbf2948cc5ff9631cd
run-tests: clean up unused globals that were removed by tests-refactor series

They were demoted to instance variables by cb88d4a04f58, 1ad7aabba14e,
93511a595766, 2e1aa8c1ee37, 8e7b0f4d6ac7 and 02087bc4f143.

diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -107,8 +107,6 @@ IMPL_PATH = 'PYTHONPATH'
 if 'java' in sys.platform:
     IMPL_PATH = 'JYTHONPATH'
 
-TESTDIR = HGTMP = INST = BINDIR = TMPBINDIR = PYTHONDIR = None
-
 defaults = {
     'jobs': ('HGTEST_JOBS', 1),
     'timeout': ('HGTEST_TIMEOUT', 180),