Docs: Update snes9x Links (#1048)

worlds/sm/docs/multiworld_en.md

@@ -7,8 +7,7 @@
   
 - Hardware or software capable of loading and playing SNES ROM files
     - An emulator capable of connecting to SNI such as:
-        - snes9x Multitroid
-          from: [snes9x Multitroid Download](https://drive.google.com/drive/folders/1_ej-pwWtCAHYXIrvs5Hro16A1s9Hi3Jz),
+        - snes9x-rr from: [snes9x rr](https://github.com/gocha/snes9x-rr/releases),
         - BizHawk from: [BizHawk Website](http://tasvideos.org/BizHawk.html)
         - RetroArch 1.10.1 or newer from: [RetroArch Website](https://retroarch.com?page=platforms). Or,
     - An SD2SNES, FXPak Pro ([FXPak Pro Store Page](https://krikzz.com/store/home/54-fxpak-pro.html)), or other
@@ -81,7 +80,7 @@ client, and will also create your ROM in the same place as your patch file.
 When the client launched automatically, SNI should have also automatically launched in the background. If this is its
 first time launching, you may be prompted to allow it to communicate through the Windows Firewall.
 
-##### snes9x Multitroid
+##### snes9x-rr
 
 1. Load your ROM file if it hasn't already been loaded.
 2. Click on the File menu and hover on **Lua Scripting**