Remove old superuser stuffs.
Fix: Typo in APN

Fixes typo in APN configs for SKT Telecom network

PS1: Fix APN config typo
PS2: Fix commit message typo (...ironic)

Change-Id: Id2b78248cc47d0ef7c573adf062db5f0b34d2621
APNs: Updates and fixes

      Add:
      Telenor Unified | Nextel 3g Brazil | Pepephone Public IP | Call me
      b-mobile | OVIVO | Etisalat Egypt | Vodacom LTE | MetroPCS gsm

      Fix:
      Simyo | Mobile Vikings | Telenor DK MMS | Giffgaff | TIM Brasil
      Mobinil MMS | Dialog Mobile Broadband MMS | internet APN for Life:)
      M1 MMS

      Update:
      XL Indonesia | O2 UK | Danish APNs | Tesco Ireland | El Salvador APNs
      Orange austria to 3

      Remove: Blau ES

Credits to CyanogenMod

Change-Id: I221c6c8e16114870f3f613b31ccdc6514e627dd8