test: run only oxlint, not eslint (#2909)

.github/workflows/validate.yml

@@ -21,18 +21,6 @@ jobs:
       with:
         name: code-coverage-report
         path: coverage/*.*
-  # We are trying out oxlint for a while. Please report if you ever see lint issues that eslint catches but oxlint
-  # misses. We expect the opposite (oxlint should catch more issues).
-  lint-preview:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v6
-    - uses: actions/setup-node@v6
-      with:
-        node-version-file: '.nvmrc'
-    - run: npm install
-    - run: npm run oxlint
   coverage:
     runs-on: ubuntu-latest
     needs: tests

Makefile

@@ -51,7 +51,9 @@ validate-no-uncommitted-package-lock-changes:
 validate:
 	make validate-no-uncommitted-package-lock-changes
 	npm run i18n_extract
-	npm run lint -- --max-warnings 0
+# We are trying out oxlint. Now that it's been working well for a while with both oxlint and eslint, we have disabled
+# eslint, and after a few weeks we'll evaluate whether any problems are slipping through if only oxlint is used.
+	npm run oxlint
 	npm run types
 	npm run test:ci
 	npm run build