Delete redundant snap packaging receipe

I'm working on the snap packaging over at https://codeberg.org/forgejo-contrib/snap  which makes this snapcraft.yaml outdated, redundant and potentially confusing for other developers.

Signed-off-by: Alan Pope <popey@noreply.codeberg.org>

snap/snapcraft.yaml

@@ -1,86 +0,0 @@
-name: gitea
-summary: Gitea - A painless self-hosted Git service
-description: |
-  The goal of this project is to make the easiest, fastest, and most painless
-  way of setting up a self-hosted Git service. With Go, this can be done with
-  an independent binary distribution across ALL platforms that Go supports,
-  including Linux, Mac OS X, Windows and ARM.
-
-icon: public/assets/img/logo.png
-confinement: strict
-base: core22
-adopt-info: gitea
-
-architectures:
-  - build-on: armhf
-  - build-on: amd64
-  - build-on: arm64
-
-environment:
-  GITEA_CUSTOM: "$SNAP_COMMON"
-  GITEA_WORK_DIR: "$SNAP_COMMON"
-  GIT_TEMPLATE_DIR: "$SNAP/usr/share/git-core/templates"
-  GIT_EXEC_PATH: "$SNAP/usr/lib/git-core"
-
-apps:
-  gitea:
-    command: gitea
-    plugs: [network, network-bind, removable-media]
-  web:
-    command: gitea web
-    daemon: simple
-    plugs: [network, network-bind, removable-media]
-  dump:
-    command: gitea dump
-    plugs: [home, removable-media]
-  version:
-    command: gitea --version
-  sqlite:
-    command: usr/bin/sqlite3
-
-parts:
-  gitea:
-    plugin: make
-    source: .
-    stage-packages: [ git, sqlite3, openssh-client ]
-    build-packages: [ git, libpam0g-dev, libsqlite3-dev, build-essential]
-    build-snaps: [ go/1.21/stable, node/18/stable ]
-    build-environment:
-      - LDFLAGS: ""
-    override-pull: |
-      craftctl default
-
-      git config --global --add safe.directory /root/parts/gitea/src
-      last_committed_tag="$(git for-each-ref --sort=taggerdate --format '%(tag)' refs/tags | tail -n 1)"
-      last_released_tag="$(snap info gitea | awk '$1 == "latest/candidate:" { print $2 }')"
-      # If the latest tag from the upstream project has not been released to
-      # stable, build that tag instead of master.
-      if [ "${last_committed_tag}" != "${last_released_tag}" ]; then
-        git fetch
-        git checkout "${last_committed_tag}"
-      fi
-
-      version="$(git describe --always | sed -e 's/-/+git/;y/-/./')"
-      [ -n "$(echo $version | grep "+git")" ] && grade=devel || grade=stable
-      craftctl set version="$version"
-      craftctl set grade="$grade"
-
-    override-build: |
-      set -x
-      sed -i 's/os.Getuid()/1/g' modules/setting/setting.go
-      TAGS="bindata sqlite sqlite_unlock_notify pam cert" make build
-      install -D gitea "${SNAPCRAFT_PART_INSTALL}/gitea"
-      cp -r options "${SNAPCRAFT_PART_INSTALL}/"
-
-    prime:
-      - -etc
-      - -usr/lib/systemd
-      - -usr/lib/gcc
-      - -usr/lib/sasl2
-      - -usr/lib/x86_64-linux-gnu/krb5
-      - -usr/share/apport
-      - -usr/share/bash-completion
-      - -usr/share/git-core/contrib
-      - -usr/share/man
-      - -usr/share/upstart
-      - -var