[Gateway] Remove Export CSV logs section (#19274)

Author: lfcassidy

src/content/docs/cloudflare-one/insights/logs/gateway-logs/index.mdx

@@ -119,21 +119,6 @@ These settings will only apply to logs displayed in Zero Trust. Logpush data is
 | `blockedRule`            | `9`   | IP address in the response matched a Block policy.          |
 | `allowedRule`            | `10`  | IP address in the response matched an Allow policy.         |
 
-### Export DNS logs
-
-Enterprise users can export Gateway DNS logs in CSV format directly from Zero Trust. To export DNS logs:
-
-1. In [Zero Trust](https://one.dash.cloudflare.com/), go to **Logs** > **Gateway**.
-2. In **DNS**, filter and select the logs you want to export.
-3. Select **Export to CSV**.
-4. Confirm your choices, then select **Export**.
-
-Gateway will download a CSV file with your chosen log entries.
-
-If the location, policy, or device ID for a match no longer exists in your Zero Trust at the time of export, your CSV file may use the match's reference ID instead.
-
-For more information, contact your account team.
-
 ## Network logs
 
 :::caution[Failed connection logs]