Clean up README.md by removing extra line

Removed an empty line before the wireframe image.

Author: mandipsanger

Wireframe/README.md

@@ -13,7 +13,6 @@
 <!--{{</objectives>}}>-->
 
 ## Task
-
 ![Wireframe](./wireframe.png)
 
 Using the provided wireframe and resources, write a new webpage explaining: