Remove misleading and wrong ALOGW

Bug: 6476587
Change-Id: I4345f1100db02786bb50ad83ca7b559cad301706
diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 9b6bc38..a0774cf 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -994,8 +994,6 @@
 }
 
 void BufferQueue::freeAllBuffersExceptHeadLocked() {
-    ALOGW_IF(!mQueue.isEmpty(),
-            "freeAllBuffersExceptCurrentLocked called but mQueue is not empty");
     int head = -1;
     if (!mQueue.empty()) {
         Fifo::iterator front(mQueue.begin());