actually remove irunner

and mkdoctests, which was the only user of it

IPython/testing/iptest.py

@@ -201,9 +201,6 @@ if not have['matplotlib']:
 
 # lib:
 sec = test_sections['lib']
-if not have['pexpect']:
-    sec.exclude('irunner')
-    sec.exclude('tests.test_irunner')
 if not have['zmq']:
     sec.exclude('kernel')
 # We do this unconditionally, so that the test suite doesn't import
@@ -219,8 +216,6 @@ sec.exclude('inputhook')
 
 # testing:
 sec = test_sections['testing']
-# This guy is probably attic material
-sec.exclude('mkdoctests')
 # These have to be skipped on win32 because they use echo, rm, cd, etc.
 # See ticket https://github.com/ipython/ipython/issues/87
 if sys.platform == 'win32':