Remove snapcraft file, that was never used for anything

snapcraft.yaml

@@ -1,32 +0,0 @@
-name: dnscrypt-proxy
-version: "2.0.27"
-summary: A flexible DNS proxy, with support for encrypted DNS protocols
-description: |
-  A flexible DNS proxy, with support for encrypted DNS protocols.
-grade: stable
-confinement: classic
-base: core18
-parts:
-  dnscrypt-proxy:
-    plugin: go
-    source: https://github.com/dnscrypt/dnscrypt-proxy.git
-    go-importpath: github.com/dnscrypt/dnscrypt-proxy
-    build-packages:
-      - gcc
-  example-config-files:
-    plugin: dump
-    source: .
-    organize:
-      dnscrypt-proxy/*.toml: etc/
-      dnscrypt-proxy/*.txt: etc/
-    stage:
-      - etc
-apps:
-  dnscrypt-proxy:
-    command: bin/dnscrypt-proxy
-    daemon: simple
-    restart-condition: on-abnormal
-    plugs:
-      - home
-      - network
-      - network-bind