Remove snapcrafts from Goreleaser

We should switch to https://snapcraft.io/docs/build-from-github

.goreleaser.yml

@@ -18,21 +18,3 @@ builds:
       - arm64
     flags:
       - -trimpath
-
-snapcrafts:
-  - name_template: '{{ .ProjectName }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}'
-    summary:  Youtube video downloader
-    description: Youtube video downloader written in Golang
-    publish: true
-    grade: stable
-    confinement: strict
-    license: MIT
-    base: core18
-    apps:
-      youtubedr:
-        plugs: ["home", "network", "dot-youtubedr-yaml"]
-    plugs:
-      dot-youtubedr-yaml:
-        interface: personal-files
-        read:
-        - $HOME/.youtubedr.yaml