lineage: products: remove sdk_phone_x86 emulator target

necessary after merge of tag 'android-14.0.0_r29':

 e04167e Retire obsolete (32bit-only) emulator targets and boards

 Please use 64bit-only targets instead:
 [...]  * we don't support x86+arm for AOSP targets

Change-Id: I001b97e218f837005d4283bd0540519b00301783