chore: remove snap package reference (#1965)

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

Author: M0NsTeRRR

.dockerignore

@@ -24,6 +24,5 @@ LICENSE
 node_modules
 public/os_logo_filled.png
 public/preview.jpg
-snap
 stylelint.config.js
 cypress

README.md

@@ -45,8 +45,6 @@ Archlinux: [AUR](https://aur.archlinux.org/packages/jellyseerr)
 
 Nix: [Nixpkg](https://search.nixos.org/packages?channel=unstable&show=jellyseerr)
 
-~Snap: [Snap](https://snapcraft.io/jellyseerr)~(Deprecated)
-
 ## Preview
 
 <img src="./public/preview.jpg">