🔨 Update docs Termynal scripts to not include line nums for local dev (#11854)

docs/en/docs/css/custom.css

@@ -13,6 +13,10 @@
   white-space: pre-wrap;
 }
 
+.termy .linenos {
+  display: none;
+}
+
 a.external-link {
   /* For right to left languages */
   direction: ltr;

docs/en/docs/js/custom.js

@@ -35,7 +35,7 @@ function setupTermynal() {
 
     function createTermynals() {
         document
-            .querySelectorAll(`.${termynalActivateClass} .highlight`)
+            .querySelectorAll(`.${termynalActivateClass} .highlight code`)
             .forEach(node => {
                 const text = node.textContent;
                 const lines = text.split("\n");