Remove snap from list

It isn't very supported anymore and only provided as-is

readme.md

@@ -47,7 +47,6 @@ free to, just please open an issue, or get in contact with me, so I can add it t
 | Void Linux           | [![Void Linux](https://repology.org/badge/version-for-repo/void_x86_64/spotify-qt.svg?header=Void%20Linux)](https://github.com/void-linux/void-packages/blob/master/srcpkgs/spotify-qt/template)                                                            | [abenson](https://github.com/abenson)               |
 | NixOS                | [![nixpkgs unstable](https://repology.org/badge/version-for-repo/nix_unstable/spotify-qt.svg?header=nixpkgs%20unstable)](https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/audio/spotify-qt/default.nix)                                       | [karthikiyengar](https://github.com/karthikiyengar) |
 | openSUSE             | [![openSUSE Multimedia:Apps Tumbleweed package](https://repology.org/badge/version-for-repo/opensuse_multimedia_apps_tumbleweed/spotify-qt.svg?header=openSUSE)](https://software.opensuse.org//download.html?project=multimedia%3Aapps&package=spotify-qt) | [KaratekHD](https://github.com/KaratekHD)           |
-| Ubuntu               | [![Snapcraft](https://snapcraft.io//spotify-qt/badge.svg)](https://snapcraft.io/spotify-qt)                                                                                                                                                                 | [kraxarn](https://github.com/kraxarn)               |
 | Alpine Linux         | [![Alpine Linux Edge](https://repology.org/badge/version-for-repo/alpine_edge/spotify-qt.svg?header=Alpine%20Linux%20Edge)](https://pkgs.alpinelinux.org/packages?name=spotify-qt)                                                                          | [ptrcnull](https://github.com/ptrcnull)             |
 | Windows              | [![Scoop extras](https://repology.org/badge/version-for-repo/scoop/spotify-qt.svg?header=Scoop%20extras)](https://github.com/ScoopInstaller/Extras/blob/master/bucket/spotify-qt.json)                                                                      | [brian6932](https://github.com/brian6932)           |