Fix another old mention of "Standard Edition" VS in PCbuild/readme.txt.
Also removes a mention of using "Express Edition with the Windows SDK
64-bit compilers" to build 64-bit Python. If that can be made to work,
it will need some extra instructions somewhere.
diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index 521c472..9ecf911 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -278,8 +278,7 @@
you just have to set x64 as platform. In addition, the HOST_PYTHON
environment variable must point to a Python interpreter (at least 2.4),
to support cross-compilation from Win32. Note that Visual Studio
-requires either Standard Edition or better, or Express Edition with the
-Windows SDK 64-bit compilers to be available in order to build 64-bit
+requires Professional Edition or better in order to build 64-bit
binaries.