reports.c: remove repodata based repositories from legacy static html based repositories list

src/reports.c

@@ -720,6 +720,8 @@ generateHTMLMainIndex(struct configTag *configtag)
 
      fprintf(fout,"<b>Available repositories:</b><br><br>\n");
      while (configtag) {
+        // Skip repositories based on repodata which are managed with distroquery API
+        if (configtag->repodata_url == NULL) continue;
         fprintf(fout,
             "<a href=\"%stag=%s\">%s</a>: %s<br>",
             configtag->configdefaults->url_prefix,