Remove unused parameters from CvdComputeClient.CreateInstance

Bug: 171376263
Test: acloud-dev create --avd-type cuttlefish -vv \
      --branch aosp-master --build-id 8706274 \
      --build-target aosp_cf_x86_64_phone-userdebug
Change-Id: Id708f0651e4763aa9225b916116a8c5ecb9d37a8
2 files changed