Revert: use qcom bionic optimization already set in samsung qcom common

https://github.com/CyanogenMod/android_device_samsung_qcom-common/commit/015902c0da72279d4b6d3b6552f53ab56eeffd4a

Change-Id: Iac9174a2ac0d41319ca0c2e66f6ae7c94bc7b3f2 (reverted from commit cf852c4e523ca9cf1ea0b4607150e97ead9996ea)