Revert "QtDeclarative, QtMacExtras: set some configs enforcing"

qtdeclarative#release on Windows are still not passing.

This partially reverts commit d6bc34de9f514a517955f33f0aa12af624359d7e.

Change-Id: If63baece53c17167dde0bb8292d23b2f6fa30f04
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>