Blogspot is a lot more easier and cheaper to manage but has little features unlike WordPress just checkout Naij one of the Nigeria most popular news and latest gossip site which has not less than ten (10) different news category but all are the same news.
Now follow this steps below carefully so that you can know how to delete your labels on blogger.com or blogspot
First you need to log into your account at Blogger.com dashboard then select your blog form the menu.
Then click the “Edit Posts” link next to the title of the blog that you want to delete certain labels from. This page displays all of the posts that you have published to date.
The labels attached to each post are displayed in green text next to the post titles. To make the list longer, enter a number larger than “25” in the “Posts per page” field.
Just click on the check box next to each post that you want to delete a label from immediately.
Now click on the “Label Actions” drop-down menu above the post list. The bottom of the menu has a section titled “Remove Label.” The section displays all of the labels in the posts that you checked.
Now finally click on the label that you want to delete. Now blogger displays a confirmation message such as “Label “(name)” removed from 20 posts on your blog.” continue this process until you have removed all labels that you no longer need and thats all.