revert changeset plugin changes

Signed-off-by: Camila Belo <camilaibs@gmail.com>

.changeset/backstage-changelog.js

@@ -16,7 +16,7 @@
 
 const {
   default: defaultChangelogFunctions,
-} = require('@changesets/changelog-github');
+} = require('@changesets/cli/changelog');
 
 // Custom CHANGELOG generation for changesets, stolen from here with one minor change:
 // https://github.com/atlassian/changesets/blob/main/packages/cli/src/changelog/index.ts
@@ -32,34 +32,7 @@ async function getDependencyReleaseLine(changesets, dependenciesUpdated) {
   return ['- Updated dependencies', ...updatedDependenciesList].join('\n');
 }
 
-async function getReleaseLine(changeset, type, options) {
-  const { ignoreUserThanks = [], ...rest } = options ?? {};
-  const releaseLine = await defaultChangelogFunctions.getReleaseLine(
-    changeset,
-    type,
-    rest,
-  );
-
-  const ignoredUsers = new Set(ignoreUserThanks);
-  return releaseLine.replace(/Thanks\s(.*)!\s/g, (_, text) => {
-    // extracts user name and profile url from the markdown link
-    const regex = /\[@(\w+)\]\((https:\/\/github\.com\/[^\)]+)\)/g;
-
-    let matches;
-    const links = [];
-
-    while ((matches = regex.exec(text)) !== null) {
-      const [, user, url] = matches;
-      if (!ignoredUsers.has(user)) {
-        links.push(`[@${user}](${url})`);
-      }
-    }
-
-    return links.length ? `Thanks ${links.join(', ')}! ` : '';
-  });
-}
-
 module.exports = {
-  getReleaseLine,
+  getReleaseLine: defaultChangelogFunctions.getReleaseLine,
   getDependencyReleaseLine,
 };