Remove content policy

We do not need the policy any more as the youtube videos are not opened in-frame.
diff --git a/landing-pages/site/static/.htaccess b/landing-pages/site/static/.htaccess
index bdec827..e0994e6 100644
--- a/landing-pages/site/static/.htaccess
+++ b/landing-pages/site/static/.htaccess
@@ -47,7 +47,3 @@
 RedirectMatch Permanent ^/docs/apache-airflow/(stable|2\.[0-9.]+)/howto/operator/gcp/vision.html "https://airflow.apache.org/docs/apache-airflow-providers-google/stable/operators/cloud/vision.html"
 RedirectMatch Permanent ^/docs/apache-airflow/(stable|2\.[0-9.]+)/howto/operator/papermill.html "https://airflow.apache.org/docs/apache-airflow-providers-papermill/stable/operators.html"
 RedirectMatch Permanent ^/docs/apache-airflow/(stable|2\.[0-9.]+)/profiling.html "https://github.com/apache/airflow/blob/master/UPDATING.md"
-
-# Allow loading YouTube content after ensuring consent.
-# Additional allowances to be coordinated with privacy team
-Header set Content-Security-Policy "frame-src 'self' https://www.youtube-nocookie.com https://www.youtube.com https://airflow.apache.org;"