feat: simplify slots

Author: vladitasev

lib/documentation/templates/api-slots-section.js

@@ -4,7 +4,7 @@ module.exports = {
     <h3 class="comment-api-title space-top" >Children</h3>
 	<p class="small-space-top" >
 	  This Web Component accepts other HTML Elements as children. 
-	  Use the <code>data-ui5-slot</code> attribute to define the category of each child, if more than one category is accepted.
+	  Use the <code>slot</code> attribute to define the category of each child, if more than one category is accepted.
 	  You can provide multiple children for the categories marked with <code>[0..n]</code> or just one otherwise.
 	</p>
 
@@ -24,9 +24,5 @@ module.exports = {
       {{/each}}
 
     </div>
-  {{/if}}
-  {{#if usesTextContent}}
-    <h3 class="comment-api-title space-top" >Children</h3>
-    <p class="small-space-top" >The content of this Web Component is interpreted as text and shown to the user. All HTML Elements inside the Web Component are ignored - only their text is used.</p>
   {{/if}}`
-};
+};

lib/jsdoc/plugin.js

@@ -27,8 +27,6 @@
  *
  *   slot
  * 
- *   usestextcontent
- * 
  *   appenddocs
  *
  *   customtag
@@ -2067,13 +2065,6 @@ exports.defineTags = function(dictionary) {
 		}
 	});
 
-	dictionary.defineTag('usestextcontent', {
-		mustNotHaveValue: true,
-		onTagged: function(doclet, tag) {
-			doclet.usestextcontent = true;
-		}
-	});
-
 	dictionary.defineTag('appenddocs', {
 		mustHaveValue: false,
 		onTagged: function(doclet, tag) {