Remove unused import.

Test: TARGET_BUILD_APPS=com.android.virt m
Change-Id: Ie77015690d3607aeb873b28b87571e468faa6860
diff --git a/virtualizationservice/aidl/android/system/virtualizationservice/IVirtualMachineCallback.aidl b/virtualizationservice/aidl/android/system/virtualizationservice/IVirtualMachineCallback.aidl
index d7f90a1..aa8105f 100644
--- a/virtualizationservice/aidl/android/system/virtualizationservice/IVirtualMachineCallback.aidl
+++ b/virtualizationservice/aidl/android/system/virtualizationservice/IVirtualMachineCallback.aidl
@@ -15,8 +15,6 @@
  */
 package android.system.virtualizationservice;
 
-import android.system.virtualizationservice.IVirtualMachine;
-
 /**
  * An object which a client may register with the VirtualizationService to get callbacks about the
  * state of a particular VM.