Revert "add second mobile performance test with 216 boxes"

This reverts commit 611ebd2e9284ba00da62ac342d949a76794d3a3c.
Revert "test 512 boxes without render"

This reverts commit 1e4282e25847647ffe92010267d8467ba9c580ec.
Revert "change performance mobile to 125 spheres"

This reverts commit 81cc923896dfbf28726eaf28b906d6a3090d32d5.