Remove PushFileInvoker from amperf-preparers

It's already in the included preparers

Test: none
Change-Id: Ia19b52c6f5f222408d71416ecd74c59c670b6a11
diff --git a/res/config/google/preparers/amperf-preparers.xml b/res/config/google/preparers/amperf-preparers.xml
index 3f9f9ac..fb2664a 100644
--- a/res/config/google/preparers/amperf-preparers.xml
+++ b/res/config/google/preparers/amperf-preparers.xml
@@ -15,7 +15,6 @@
 -->
 <configuration description="ActivityManager Performance Tests Target Preparers">
     <target_preparer class="com.android.tradefed.targetprep.AddWhitelistPackage" />
-    <target_preparer class="com.android.tradefed.targetprep.PushFileInvoker" />
 
     <include name="google/template/preparers/performance" />
 </configuration>