stubtest: remove unused whitelist entries

tests/stubtest_whitelists/py37.txt

@@ -2,11 +2,7 @@ asyncio.AbstractEventLoop.sock_sendfile
 asyncio.compat  # Removed in 3.7
 asyncio.Future.__init__
 asyncio.Future._callbacks
-asyncio.Handle.__init__
-asyncio.TimerHandle.__init__
 asyncio.events.AbstractEventLoop.sock_sendfile
-asyncio.events.Handle.__init__
-asyncio.events.TimerHandle.__init__
 asyncio.exceptions  # Added in Python 3.8
 asyncio.futures.Future.__init__
 asyncio.futures.Future._callbacks

tests/stubtest_whitelists/py38.txt

@@ -9,11 +9,7 @@ asyncio.AbstractEventLoop.sock_sendfile
 asyncio.compat  # removed in 3.7
 asyncio.Future.__init__
 asyncio.Future._callbacks
-asyncio.Handle.__init__
-asyncio.TimerHandle.__init__
 asyncio.events.AbstractEventLoop.sock_sendfile
-asyncio.events.Handle.__init__
-asyncio.events.TimerHandle.__init__
 asyncio.futures.Future.__init__
 asyncio.futures.Future._callbacks
 asyncio.proactor_events._ProactorBasePipeTransport.__del__

tests/stubtest_whitelists/py39.txt

@@ -15,11 +15,7 @@ asyncio.AbstractEventLoop.sock_sendfile
 asyncio.compat  # removed in 3.7
 asyncio.Future.__init__
 asyncio.Future._callbacks
-asyncio.Handle.__init__
-asyncio.TimerHandle.__init__
 asyncio.events.AbstractEventLoop.sock_sendfile
-asyncio.events.Handle.__init__
-asyncio.events.TimerHandle.__init__
 asyncio.futures.Future.__init__
 asyncio.futures.Future._callbacks
 asyncio.proactor_events._ProactorBasePipeTransport.__del__

tests/stubtest_whitelists/py3_common.txt

@@ -130,17 +130,7 @@ concurrent.futures.Executor.map
 concurrent.futures._base.Executor.map
 concurrent.futures.ProcessPoolExecutor.map
 concurrent.futures.process.ProcessPoolExecutor.map
-configparser.DuplicateOptionError.__init__
-configparser.DuplicateSectionError.__init__
-configparser.Error.__init__
-configparser.InterpolationDepthError.__init__
-configparser.InterpolationError.__init__
-configparser.InterpolationMissingOptionError.__init__
 configparser.LegacyInterpolation.before_get
-configparser.MissingSectionHeaderError.__init__
-configparser.NoOptionError.__init__
-configparser.NoSectionError.__init__
-configparser.ParsingError.__init__
 configparser.SectionProxy.__getattr__
 configparser.SectionProxy.getboolean
 configparser.SectionProxy.getfloat