remove unused variable url and contentUr in parseMd function

backstage/static/js/parsers.js

@@ -3,7 +3,6 @@ function parseMd(content) {
   var blockCount;
   var preDataIndex;
   var parseBlockDiv;
-  var url, contentUr;
   var preImgObject = {'image': {}};
   var isNotFrontMatterCount = 0;
   var isAmpImgRange = false;
@@ -15,15 +14,11 @@ function parseMd(content) {
       if (line.includes('---')) {
         isNotFrontMatterCount += 1;
       }
-      if (line.includes('url:')) {
-        contentUr = line.replace(/url:| |"/g, '');
-        url = `http://localhost:1313/${contentUr}/`;
-      }
       continue;
     }
 
     if (isAmpImgRange === true && !(line.includes('</amp-img>'))) {
-      imgParamObject = parseAmpImg(line, url);
+      imgParamObject = parseAmpImg(line);
       preImgObject.image = {...preImgObject.image, ...imgParamObject};
       continue;
     }