Remove remaining Contentful references from config files

- Remove contentful per-file-ignores from pyproject.toml
- Remove contentful module from example_sentry_payload.json
- Remove contentful_migrations ignore pattern from eslint.config.js

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Author: stevejalim

bedrock/base/tests/data/example_sentry_payload.json

@@ -232,7 +232,6 @@
 			"click": "8.0.4",
 			"commonware": "0.6.0",
 			"compare-locales": "7.6.0",
-			"contentful": "1.13.1",
 			"contextlib2": "0.5.4",
 			"coverage": "6.3.2",
 			"cryptography": "36.0.1",

eslint.config.js

@@ -84,7 +84,6 @@ module.exports = [
     eslintConfigPrettier,
     {
         ignores: [
-            'contentful_migrations/**/*.cjs',
             'docs/_build/**/*.js',
             'media/js/ie/libs/**/*.js',
             'media/js/libs/**/*.js',

pyproject.toml

@@ -21,7 +21,6 @@ select = [
 
 [tool.ruff.lint.per-file-ignores]
 "bedrock/settings/__init__.py" = ["F405"]
-"bedrock/contentful/tests/data.py" = ["E501"]
 
 [tool.ruff.lint.isort]
 known-first-party = ["bedrock", "lib", "pages"]