fix "debian/ubuntu instruction" for service (#305)

* Update learn-about-deployment.md

set "systemctl" instead of "service"

* Update about-4.6.md

remove internal changes of Telemetry

* Update about-4.6.md

Author: rnitzan

content/nap-dos/deployment-guide/learn-about-deployment.md

@@ -952,7 +952,7 @@ When deploying App Protect DoS on NGINX Plus take the following precautions to s
     sudo apt-get update
     sudo apt-get remove nginx-plus
     sudo apt-get install app-protect-dos
-    sudo service nginx start
+    sudo systemctl start nginx
     ```
 
 11. Check the NGINX binary version to ensure that you have NGINX Plus installed correctly:
@@ -990,11 +990,11 @@ When deploying App Protect DoS on NGINX Plus take the following precautions to s
 16. Start the NGINX service:
 
     ```shell
-    sudo service nginx start
+     sudo systemctl start nginx
     ```
 17. Start the L4 service:
     ```shell
-     sudo service app-protect-dos-ebpf-manager start
+     sudo systemctl start app-protect-dos-ebpf-manager
     ```
     
 ## Alpine 3.15.x / 3.17.x / 3.19.x Installation

content/nap-dos/releases/about-4.6.md

@@ -15,16 +15,13 @@ NGINX App Protect DoS provides behavioral protection against Denial of Service (
 
 Mar 24, 2025
 
-NGINX App Protect DoS 4.6 adds support for NGINX Plus R34.
-
 ---
 
 ### New features
 
 - Support for NGINX Plus R34
 - Add support for AmazonLinux 2023
 - Remove support for Alpine 3.17 
-- Telemetry Readiness - this feature enables periodic telemetry reporting for NGINX App Protect DoS, capturing key statistics and metrics. In the initial phase, telemetry data is temporarily logged to the NGINX error.log file every minute on DEBUG log level.
 - Bug fixes
 
 ---