test: fix coverage by removing duplicate line

Author: JoshuaKGoldberg

lib/rules/require-meta-docs-description.js

@@ -70,14 +70,6 @@ module.exports = {
           return;
         }
 
-        if (!descriptionNode) {
-          context.report({
-            node: docsNode || metaNode || ruleInfo.create,
-            messageId: 'missing',
-          });
-          return;
-        }
-
         const staticValue = getStaticValue(descriptionNode.value, scope);
         if (!staticValue) {
           // Ignore non-static values since we can't determine what they look like.