Fix deletion of container registry or images returning an error

A successful DELETE call would result in a 204 No Content result,
which would have an empty response body. Don't automatically try
to parse this value as JSON both because there is no additional
information passed in the response body.

Closes #39354

app/assets/javascripts/registry/stores/actions.js

@@ -29,11 +29,9 @@ export const fetchList = ({ commit }, { repo, page }) => {
     });
 };
 
-export const deleteRepo = ({ commit }, repo) => Vue.http.delete(repo.destroyPath)
-  .then(res => res.json());
+export const deleteRepo = ({ commit }, repo) => Vue.http.delete(repo.destroyPath);
 
-export const deleteRegistry = ({ commit }, image) => Vue.http.delete(image.destroyPath)
-  .then(res => res.json());
+export const deleteRegistry = ({ commit }, image) => Vue.http.delete(image.destroyPath);
 
 export const setMainEndpoint = ({ commit }, data) => commit(types.SET_MAIN_ENDPOINT, data);
 export const toggleLoading = ({ commit }) => commit(types.TOGGLE_MAIN_LOADING);

changelogs/unreleased/sh-fix-container-registry-destroy.yml

+---
+title: Fix deletion of container registry or images returning an error
+merge_request:
+author:
+type: fixed