Remove error when trying to get a global buffer that doesn't exist

* Calling Get on a missing buffer isn't system error,
  The error should be handled by the caller

Bug: None
Test: None
Change-Id: I0a49a4d104e9db025f4cfd213182f565d141bbf8
diff --git a/libs/vr/libdvr/dvr_surface.cpp b/libs/vr/libdvr/dvr_surface.cpp
index 2affacd..0f4749d 100644
--- a/libs/vr/libdvr/dvr_surface.cpp
+++ b/libs/vr/libdvr/dvr_surface.cpp
@@ -171,8 +171,6 @@
 
   auto status = client->GetGlobalBuffer(key);
   if (!status) {
-    ALOGE("dvrGetGlobalBuffer: Failed to find named buffer key=%d: %s", key,
-          status.GetErrorMessage().c_str());
     return -status.error();
   }
   *out_buffer = CreateDvrBufferFromIonBuffer(status.take());