Remove tech-preview warning from Web Terminal Operator docs

Remove the tech-preview warning from Web Terminal Operator docs as the
feature is now GA.

Signed-off-by: Angel Misevski <[email protected]>

Author: amisevsk

web_console/odc-about-web-terminal.adoc

@@ -16,8 +16,6 @@ Cluster administrators can access the web terminal in {product-title} 4.7 and la
 This terminal instance is preinstalled with common CLI tools for interacting with the cluster, such as `oc`, `kubectl`,`odo`, `kn`, `tkn`, `helm`, `kubens`, and `kubectx`. It also has the context of the project you are working on and automatically logs you in using your credentials.
 
 :FeatureName: Web terminal
-include::snippets/technology-preview.adoc[leveloffset=+1]
-
 include::modules/odc-installing-web-terminal.adoc[leveloffset=+1]
 
 include::modules/odc-using-web-terminal.adoc[leveloffset=+1]