Point out that Github should not be used for support

src/en/administration/administration.md

@@ -2,6 +2,8 @@
 
 Information for Lemmy instance admins, and those who want to run a server.
 
+If you have any problems in the installation, you can ask for help in [!lemmy_support](https://lemmy.ml/c/lemmy_support). Do not use Github for support.
+
 ## Install
 ### Official/Supported methods
 
@@ -16,7 +18,7 @@ Lemmy uses roughly 150 MB of RAM in the default Docker installation. CPU usage i
 ### Other installation methods
 > ⚠️ **Under your own risk.**
 
-In some cases, it might be necessary to use different installation methods. But we don't recommend this, and can't provide support for them.
+In some cases, it might be necessary to use different installation methods.
 - [From Scratch](from_scratch.md)
 - [Yunohost](https://install-app.yunohost.org/?app=lemmy) ([source code](https://github.com/YunoHost-Apps/lemmy_ynh))
 - [On Amazon Web Services (AWS)](on_aws.md)

src/en/administration/from_scratch.md

@@ -1,7 +1,5 @@
 # From Scratch 
 
-> ⚠️ **Disclaimer:** this installation method is not recommended by the Lemmy developers. If you have any problems, you need to solve them yourself or ask the respective authors. If you notice any Lemmy bugs on an instance installed like this, please mention it in the bug report.
-
 These instructions are written for Ubuntu 20.04.
 
 ## Installation