deleted some unwanted files

Author: rohitmishra209

README.md

@@ -94,7 +94,7 @@ For example, if you want to crop an image (with width as 300 and height as 400),
 
 [Read Image Delivery API documentation](https://www.contentstack.com/docs/apis/image-delivery-api/). 
 
-SDK functions for Image Delivery API coming soon. 
+SDK functions for Image Delivery API. 
 
 ### Helpful Links