Revert "Logging improvements for C++ / Java structure issues"

Bug: 30913672

This reverts commit d833525cfe3ac2086e3156a8b3193c05974d6316.

Change-Id: I4e51591b49d54b8bb3e920fbc221c21aca0084fb
diff --git a/runtime/mirror/class.cc b/runtime/mirror/class.cc
index 1cf9dd1..f948be7 100644
--- a/runtime/mirror/class.cc
+++ b/runtime/mirror/class.cc
@@ -136,7 +136,7 @@
 void Class::SetClassSize(uint32_t new_class_size) {
   if (kIsDebugBuild && new_class_size < GetClassSize()) {
     DumpClass(LOG(INTERNAL_FATAL), kDumpClassFullDetail);
-    LOG(INTERNAL_FATAL) << new_class_size << " vs " << GetClassSize() << "\n";
+    LOG(INTERNAL_FATAL) << new_class_size << " vs " << GetClassSize();
     LOG(FATAL) << " class=" << PrettyTypeOf(this);
   }
   // Not called within a transaction.