Amend CHANGELOG for version 2.5

Author: ninjaprox

CHANGELOG.md

@@ -2,7 +2,6 @@
 
 ## [v2.5](https://github.com/ninjaprox/NVActivityIndicatorView/releases/tag/v2.5)
 * Fix padding issues
-* Support other platforms
 
 ## [v2.4](https://github.com/ninjaprox/NVActivityIndicatorView/releases/tag/v2.4)
 * Fix autolayout compability when using in Storyboard