Revert "Update readme.md"

This reverts commit dd2df0d10d8ddb1816406fcb866e6aa3c9844852.
Revert "Revert "Update readme.md""

This reverts commit 7603f572c25c337921af30d757f28f37fd8171c1.
minor fix for deleting a voting site

added a message if you haven't submitted any voting site in the list
yet.