Remove kernel_path from launch_cvd incantation

kernel_path is transferred by fetcher config. No need to pass it
manually.

Bug: 169261091
Test: acloud-dev create --build_target aosp_cf_x86_64_phone-userdebug \
    --branch aosp-master --autoconnect --kernel_build_target \
    kernel_virt_x86_64 --kernel_branch \
    aosp_kernel-common-android-mainline
Change-Id: Id75b96c443bff6f4cf814d6acbc396af2403b1d2
1 file changed