Remove a stray log statement.

Change-Id: I4c4c6111cc67480377374ee3c10b729cc93622f9
diff --git a/vm/alloc/HeapSource.c b/vm/alloc/HeapSource.c
index 1d82cfa..bb27f31 100644
--- a/vm/alloc/HeapSource.c
+++ b/vm/alloc/HeapSource.c
@@ -754,7 +754,6 @@
     for (i = 1; i < gHs->numHeaps; ++i) {
         if (gHs->heaps[i].base < immuneLimit) {
             assert(gHs->heaps[i].limit <= immuneLimit);
-            LOGV("Copying markBits for immune heap %d", i);
             /* Compute the number of words to copy in the bitmap. */
             index = HB_OFFSET_TO_INDEX(
                 (uintptr_t)gHs->heaps[i].base - gHs->liveBits.base);