add lang and remove line numbers

Author: dks333

packages/mdx/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mintlify/mdx",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Markdown parser from Mintlify",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",

packages/mdx/src/plugins/rehype/rehypeSyntaxHighlighting.ts

@@ -131,17 +131,14 @@ const traverseNode = (
     const codeElement = hast.children[0] as Element;
     if (!codeElement) return;
 
-    let lineNumber = 0;
-
     const preChild = codeElement.children[0] as Element;
-    const numberOfLines = lineNumber;
 
     node.data = node.data ?? {};
     codeElement.data = node.data;
-    codeElement.properties.numberOfLines = numberOfLines;
+    codeElement.properties.language = lang;
     if (preChild) {
       preChild.data = node.data;
-      preChild.properties.numberOfLines = numberOfLines;
+      preChild.properties.language = lang;
     }
     parent.children.splice(index, 1, codeElement);
   } catch (err) {