ART: Remove superfluous logging

Remove unnecessary logging used for debugging.

Test: m test-art-host-gtest
Change-Id: I271c9c10eea728d9e534a96d981cac095c6e2e8e
diff --git a/libartbase/base/mem_map_test.cc b/libartbase/base/mem_map_test.cc
index bf39fd1..938cff7 100644
--- a/libartbase/base/mem_map_test.cc
+++ b/libartbase/base/mem_map_test.cc
@@ -902,6 +902,5 @@
 extern "C"
 __attribute__((visibility("default"))) __attribute__((used))
 void ArtTestGlobalInit() {
-  LOG(ERROR) << "Installing listener";
   testing::UnitTest::GetInstance()->listeners().Append(new DumpMapsOnFailListener());
 }
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index f4cc161..46240d4 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -463,7 +463,6 @@
 extern "C"
 __attribute__((visibility("default"))) __attribute__((weak))
 void ArtTestGlobalInit() {
-  LOG(ERROR) << "ArtTestGlobalInit in common_runtime_test";
 }
 
 int main(int argc, char **argv) {