[Settings] eSIM transfer: MobileNetworkListFragment

 - Remove the eSIM/pSIM category and separators
 - Add pSIM/eSIM icon for SIMs

Screenshot: https://hsv.googleplex.com/5263071317590016

Bug: 261810065
Test: atest NetworkProviderSimListControllerTest
Change-Id: If4b8659c377698e682093e1508699bfc96855b29