Revert "mbedtls: kconfig: created MBEDTLS_PROMPTLESS and CUSTOM_MBEDTLS_CFG_FILE" This reverts commit 1ad1acd7c97ef2395afb50e32c0c91fcc29030b0. Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>