asyncio: Remove more relics of resolution/granularity.

Lib/asyncio/test_utils.py

@@ -144,10 +144,6 @@ class TestSelector(selectors.BaseSelector):
     def __init__(self):
         self.keys = {}
 
-    @property
-    def resolution(self):
-        return 1e-3
-
     def register(self, fileobj, events, data=None):
         key = selectors.SelectorKey(fileobj, 0, events, data)
         self.keys[fileobj] = key
@@ -196,7 +192,6 @@ class TestLoop(base_events.BaseEventLoop):
         next(self._gen)
         self._time = 0
         self._timers = []
-        self._granularity = 1e-9
         self._selector = TestSelector()
 
         self.readers = {}

Lib/asyncio/windows_events.py

@@ -191,7 +191,6 @@ class IocpProactor:
         self._cache = {}
         self._registered = weakref.WeakSet()
         self._stopped_serving = weakref.WeakSet()
-        self.resolution = 1e-3
 
     def set_loop(self, loop):
         self._loop = loop