Option 1:
If your Android is version 6 or above, you should have the option to change it in the Notification panel settings, found by using 2 fingers to drag the notification bar and pressing the "pencil" icon. Just untick S Finder and Quick Connect.
Option 2: (Advanced! requires rooting which may void your warranty)
1 - Download a file explorer with root capabilities like ES File Explorer.
2 - Open the app, enable root folder access.
3 - Go to "/system/etc/permissions/ "
4 - Find the file "com.sec.feature.findo.xml", and delete it.
5 - Reboot!
6 - You may now proceed to unroot.
Option 3: (Expert! requires rooting and extreme system modification)
You may recompile SystemUI.apk to remove the 2 buttons. More details here (
https://forum.xda-developers.com/note-4/general/root-how-to-remove-s-finder-quick-t3161432)
Option 4: (Advanced! requires rooting which may void your warranty)
1. install "ES File Explorer" and enable root explorer.
2. browse to root->system->build.prop
3. open "build.prop" with text-editor and edit the last three letters of this line: "ro.product.name=" (example: "ro.product.name=trltexx" to "ro.product.name=trltvzw")
4. save and restart.