Applying unbuffered output to all platforms instead of only Windows

cibuildwheel/windows.py

@@ -7,14 +7,10 @@ except ImportError:
 from collections import namedtuple
 from glob import glob
 
-from .util import prepare_command, get_build_verbosity_extra_flags, Unbuffered
+from .util import prepare_command, get_build_verbosity_extra_flags
 
 
 def build(project_dir, package_name, output_dir, test_command, test_requires, before_build, build_verbosity, skip, environment):
-    # Python under AppVeyor/Windows seems to be buffering by default, giving problems interleaving subprocess call output with unflushed calls to 'print'
-    sys.stdout.flush()
-    sys.stdout = Unbuffered(sys.stdout)
-
     # run_with_env is a cmd file that sets the right environment variables to
     run_with_env = os.path.join(tempfile.gettempdir(), 'appveyor_run_with_env.cmd')
     if not os.path.exists(run_with_env):