Doc: Remove mention to "Visual Studio Express 2019"

The "Express" flavor of Visual Studio exists up to 2017, and the
documentation referred to "Express" for Visual Studio 2019.

Author: Takuma Hoshiai
Discussion: https://postgr.es/m/20190820120231.f905542e685140258ca73d82@sraoss.co.jp
Backpatch-through: 9.4

doc/src/sgml/install-windows.sgml

@@ -19,9 +19,8 @@
  <para>
   There are several different ways of building PostgreSQL on
   <productname>Windows</productname>. The simplest way to build with
-  Microsoft tools is to install <productname>Visual Studio Express 2019
-  for Windows Desktop</productname> and use the included
-  compiler. It is also possible to build with the full
+  Microsoft tools is to install <productname>Visual Studio 2019</productname>
+  and use the included compiler. It is also possible to build with the full
   <productname>Microsoft Visual C++ 2013 to 2019</productname>.
   In some cases that requires the installation of the
   <productname>Windows SDK</productname> in addition to the compiler.
@@ -69,16 +68,17 @@
   <productname>Visual Studio Express</productname> or some versions of the
   <productname>Microsoft Windows SDK</productname>. If you do not already have a
   <productname>Visual Studio</productname> environment set up, the easiest
-  ways are to use the compilers from <productname>Visual Studio Express 2019
-  for Windows Desktop</productname> or those in the <productname>Windows SDK
-  10</productname>, which are both free downloads from Microsoft.
+  ways are to use the compilers from
+  <productname>Visual Studio 2019</productname> or those in the
+  <productname>Windows SDK 10</productname>, which are both free downloads
+  from Microsoft.
  </para>
 
  <para>
   Both 32-bit and 64-bit builds are possible with the Microsoft Compiler suite.
   32-bit PostgreSQL builds are possible with
   <productname>Visual Studio 2013</productname> to
-  <productname>Visual Studio 2019</productname> (including Express editions),
+  <productname>Visual Studio 2019</productname>,
   as well as standalone Windows SDK releases 8.1a to 10.
   64-bit PostgreSQL builds are supported with
   <productname>Microsoft Windows SDK</productname> version 8.1a to 10 or