Issue #25824: Fixes sys.winver to not include any architecture suffix.

Misc/NEWS

@@ -88,6 +88,8 @@ Tests
 Build
 -----
 
+- Issue #25824: Fixes sys.winver to not include any architecture suffix.
+
 - Issue #25348: Added ``--pgo`` and ``--pgo-job`` arguments to
   ``PCbuild\build.bat`` for building with Profile-Guided Optimization.  The
   old ``PCbuild\build_pgo.bat`` script is now deprecated, and simply calls

PCbuild/python.props

@@ -102,7 +102,6 @@
 
     <!-- The version number for sys.winver -->
     <SysWinVer>$(MajorVersionNumber).$(MinorVersionNumber)</SysWinVer>
-    <SysWinVer Condition="$(Platform) == 'Win32' or $(Platform) == 'x86'">$(SysWinVer)-32</SysWinVer>
   </PropertyGroup>
 
   <!-- Displays the calculated version info -->