Drop the explicit includes.

Author: ericsnowcurrently

Modules/signalmodule.c

@@ -4,13 +4,6 @@
 /* XXX Signals should be recorded per thread, now we have thread state. */
 
 #include "Python.h"
-
-#ifdef MS_WINDOWS
-// These must be included before pycore_runtime.h or pycore_signal.h.
-#  include <winsock2.h>
-#  include <windows.h>
-#endif
-
 #include "pycore_atomic.h"        // _Py_atomic_int
 #include "pycore_call.h"          // _PyObject_Call()
 #include "pycore_ceval.h"         // _PyEval_SignalReceived()

Python/pylifecycle.c

@@ -2,12 +2,6 @@
 
 #include "Python.h"
 
-#ifdef MS_WINDOWS
-// These must be included before pycore_runtime.h.
-#  include <winsock2.h>
-#  include "windows.h"
-#endif
-
 #include "pycore_bytesobject.h"   // _PyBytes_InitTypes()
 #include "pycore_ceval.h"         // _PyEval_FiniGIL()
 #include "pycore_context.h"       // _PyContext_Init()

Python/pystate.c

@@ -2,13 +2,6 @@
 /* Thread and interpreter state structures and their interfaces */
 
 #include "Python.h"
-
-#ifdef MS_WINDOWS
-// These must be included before pycore_runtime.h.
-#  include <winsock2.h>
-#  include "windows.h"
-#endif
-
 #include "pycore_ceval.h"
 #include "pycore_code.h"           // stats
 #include "pycore_frame.h"