recovery: Remove condition around get_root_mtd_partition
recovery: Remove condition around get_root_mtd_partition

Change-Id: I2e763000f65aba342f1851c7e94778a815bbaa6f

InsomniaAOSP/platform_bootable_recovery,DerTeufel/dualboot_recovery,InsomniaAOSP/platform_bootable_recovery,randomblame/bootable_recovery,76Demented/bootable_recovery-,76Demented/bootable_recovery-,DerTeufel/dualboot_recovery,randomblame/bootable_recovery,76Demented/bootable_recovery-,Plain-Andy/android_platform_bootable_recovery,76Demented/bootable_recovery-,randomblame/bootable_recovery,Plain-Andy/android_platform_bootable_recovery,76Demented/bootable_recovery-,Plain-Andy/android_platform_bootable_recovery,kylinmoddev/android_bootable_recovery,randomblame/bootable_recovery,InsomniaAOSP/platform_bootable_recovery,DerTeufel/dualboot_recovery,DerTeufel/dualboot_recovery,Plain-Andy/android_platform_bootable_recovery,DerTeufel/dualboot_recovery,kylinmoddev/android_bootable_recovery,randomblame/bootable_recovery,kylinmoddev/android_bootable_recovery,kylinmoddev/android_bootable_recovery,InsomniaAOSP/platform_bootable_recovery,InsomniaAOSP/platform_bootable_recovery