OS X build and warning fix
OS X build and warning fix

Revert "Add missed file"

This reverts commit 4c9f27270e0a7c00c10cbc56ce5c6842b47e5ab2.

FindCoreFoundation.cmake is not needed since CoreFoundation
is a system framework. Its use has been removed by
commit f223ce03d4b94ffbb093fc8be5adf8d968f54434

Acked by: Ivan Čukić

REVIEW: 126285

KDE/qca,KDE/qca,KDE/qca,KDE/qca