Update docs

Remove dated version info; add gcc-g++ for aarch64

Author: tresf

www/WindowsDevelopmentEnvironment.md

@@ -52,7 +52,7 @@ Starting pont: A clean Windows 10 64-bit Installation with all patches
    - `gcc-g++` (See table)
       | x86_64 | x86 | aarch64 |
       |----------|-------|-----------|
-      | `gcc-g++`<br>`mingw64-x86_64-gcc-g++` (7.4.0-1)<br>`mingw64-x86_64-gcc-core` (7.4.0-1) | `gcc-g++`<br>`mingw64-i686-gcc-g++` (7.4.0-1)<br>`mingw64-i686-gcc-core` (7.4.0-1) | No gcc or mingw needed |
+      | `gcc-g++`<br>`mingw64-x86_64-gcc-g++` <br>`mingw64-x86_64-gcc-core` | `gcc-g++`<br>`mingw64-i686-gcc-g++` <br>`mingw64-i686-gcc-core` | `gcc-g++` |
 
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