chore: delete gpg on release

.goreleaser.yml

@@ -55,22 +55,6 @@ checksum:
   name_template: "{{ .ProjectName }}_{{ .Version }}_checksums.txt"
   algorithm: sha256
 
-signs:
-  - cmd: gpg
-    args:
-      - "--batch"
-      - "--no-tty"
-      - "--pinentry-mode"
-      - "loopback"
-      - "-u"
-      - "{{ .Env.GPG_FINGERPRINT }}"
-      - "--output"
-      - "${signature}"
-      - "--detach-sign"
-      - "${artifact}"
-    stdin: "{{ .Env.GPG_PASSPHRASE }}"
-    artifacts: checksum
-
 sboms:
   - artifacts: archive
     documents: