Remove IVibrator HIDL dependencies from idlcli

Android Q is now no longer supported for launching or
upgrading devices in Android V so the vibrator HIDL HAL
versions no longer needs to be supported by the platform.

Bug: 308452413
Test: manually using the command line
Flag: EXEMPT internal command line tools
Change-Id: I5ac0d7d895996d095f990e3b78d9c80e73bcaf97