Revert "tweak icc_UINT128 patch for libffi 3.0.11, use it for ictce libffi 3.0.11 easyconfigs"

This reverts commit 605c5f215f44d510f95756483cd46dc0121ca374.
git rid of libffi 3.0.11 ictce-5.3.0 easyconfig (and patch required for it), is obsolete now libffi 3.0.13 is available