Revert "Slim >>> OSE"

This reverts commit a6253fed86d1d2552dad3cac3dacdffe45775525.
Revert "Telephony: ES translations"

This reverts commit 8035a90846056ab7074e6a8e5f315e7653f70684.
Revert "Apn settings fixes / code maintainence (2/2)"

This reverts commit 57b473402d95bcdd0cf48bbff48747e66c53d5f1.