Leaf Disabler is a very simple pack that will disable any of those pesky bushy leaves that you dont like, no matter the resource pack!
Example of Leaf Disabler being used on Nate's Tweaks
Steps to install:
1. Download leaf Disabler
2. Put it in the pack folder
3. Apply it over top of the resource pack you are using in the pack manager in minecraft and your done!