[devhelp] docs: remove professional-services page

[Sébastien Wilmet <swilmet src gnome org>]

commit a5d7f45a49d446f74c81d8dfe08f76f76dab5e4f
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Nov 2 11:50:56 2020 +0100

    docs: remove professional-services page

 README.md                     |  5 -----
 docs/professional-services.md | 13 -------------
 2 files changed, 18 deletions(-)
---
diff --git a/README.md b/README.md
index 59b06bb7..6057f78b 100644
--- a/README.md
+++ b/README.md
@@ -5,11 +5,6 @@ The Devhelp web page:
 
 https://wiki.gnome.org/Apps/Devhelp
 
-Professional services
----------------------
-
-See the file: [docs/professional-services.md](docs/professional-services.md)
-
 Installation of the Devhelp Flatpak
 -----------------------------------