Remove the instructions for fixing uncommon issue in the README.md

Author: 2000krysztof

README.md

@@ -46,20 +46,7 @@ The e2e tests can be executed locally by running the following commands:
    ```bash
    make setup-e2e
    ```
-
-> [!NOTE]
-   If you get an error on linux
-   ```
-    Error: rootlessport cannot expose privileged port 80
-   ```
-   You can run the following code to fix it
-
-   ```bash
-    echo "net.ipv4.ip_unprivileged_port_start=80" | sudo tee -a /etc/sysctl.conf > /dev/null
-    sudo sysctl net.ipv4.ip_unprivileged_port_start=80
-   ```
 
-
 > [!NOTE]
    Kueue will only activate its Ray integration if KubeRay is installed before Kueue (as done by this make target).