refactor($theme-default): refactor bitbucket edit links

Author: fulopkovacs

packages/@vuepress/theme-default/components/PageEdit.vue

@@ -80,8 +80,7 @@ export default {
   methods: {
     createEditLink (repo, docsRepo, docsDir, docsBranch, path) {
       const bitbucket = /bitbucket.org/
-      if (bitbucket.test(repo)) {
-        const base = outboundRE.test(docsRepo) ? docsRepo : repo
+      if (bitbucket.test(docsRepo)) {
         return (
           base.replace(endingSlashRE, '')
           + `/src`