Revert "feat: throw an Error if package.json has duplicate "repository" key (#1656)"

This reverts commit b8fb35c7e1.

fixes #1657

test/get-config.test.js

@@ -516,21 +516,3 @@ test('Throw an Error if one of the shareable config cannot be found', async (t)
     code: 'MODULE_NOT_FOUND',
   });
 });
-
-test('Throw an Error if package.json has duplicate "repository" key', async (t) => {
-  // Create a git repository, set the current working directory at the root of the repo
-  const {cwd} = await gitRepo();
-
-  // Create package.json with duplicate "repository" key
-  await writeFile(
-    path.resolve(cwd, 'package.json'),
-    `{
-    "repository": "https://github.com/octocat/repository",
-    "repository": "https://github.com/octocat/repository"
-  }`
-  );
-
-  const error = await t.throwsAsync(t.context.getConfig({cwd}));
-  t.is(error.code, 'EDUPLICATEREPOSITORYKEY');
-  t.is(error.message, 'Duplicate `"repository"` key in package.json.');
-});