DO NOT MERGE Revert "[Zuma] set mte_tcf_preferred to sync for little and mid cores"

This change interferes with perf measurement.

This reverts commit 0a55c41d1579c8bee16f59c739efc02b16dbe317.

Bug: 239832365
Test: adb shell 'cat /sys/devices/system/cpu/cpu?/mte_tcf_preferred'
      should return all "async"
Change-Id: I1eca9c6e8143011aadcfd7e0b05d1d2d5cab7194