real small brain hours

readme.md

@@ -19,8 +19,6 @@ the packages you'll need are `mono-devel` and `gtk-sharp3`, so:
 ```
 sudo apt install mono-devel gtk-sharp3
 ```
-#### dotnet
-follow [these instructions](https://docs.microsoft.com/en-us/dotnet/core/install/linux-debian) to add the dotnet repo and install dotnet-sdk.
 
 ### arch linux
 #### dotnet
@@ -32,10 +30,6 @@ sudo pacman -S dotnet-sdk
 ```
 sudo pacman -S mono gtk-sharp-3
 ```
-#### dotnet
-```
-sudo pacman -S dotnet-sdk
-```
 
 ### windows
 - download and install ".NET Core SDK" from [this page](https://dotnet.microsoft.com/download)