[ACS-5761] Demo Shell pages cleanup (#8802)

remove the content that is not covered by e2e testing, preparation steps for the demo shell decommissioning

docs/core/components/data-column.component.md

@@ -213,7 +213,7 @@ within the document list.
 
 ```html
 <data-column
-    title="{{'DOCUMENT_LIST.COLUMNS.TAG' | translate}}"
+    title="Tag"
     key="id"
     sortable="true"
     class="full-width ellipsis-cell">

docs/core/pipes/node-name-tooltip.pipe.md

@@ -15,7 +15,7 @@ Formats the tooltip for a [`Node`](https://github.com/Alfresco/alfresco-js-api/b
 ```html
 <data-column
     key="name"
-    title="APP.DOCUMENT_LIST.COLUMNS.NAME">
+    title="Name">
     <ng-template let-value="value" let-context>
         <span title="{{ context?.row?.obj | adfNodeNameTooltip }}">{{ value }}</span>
     </ng-template>