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

Bug: 30913672

This reverts commit d833525cfe3ac2086e3156a8b3193c05974d6316.

Change-Id: I4e51591b49d54b8bb3e920fbc221c21aca0084fb
diff --git a/runtime/gc/collector/mark_sweep.cc b/runtime/gc/collector/mark_sweep.cc
index 1d15ee7..e276137 100644
--- a/runtime/gc/collector/mark_sweep.cc
+++ b/runtime/gc/collector/mark_sweep.cc
@@ -413,7 +413,7 @@
     if (UNLIKELY(obj == nullptr || !IsAligned<kPageSize>(obj) ||
                  (kIsDebugBuild && large_object_space != nullptr &&
                      !large_object_space->Contains(obj)))) {
-      LOG(INTERNAL_FATAL) << "Tried to mark " << obj << " not contained by any spaces\n";
+      LOG(INTERNAL_FATAL) << "Tried to mark " << obj << " not contained by any spaces";
       if (holder_ != nullptr) {
         size_t holder_size = holder_->SizeOf();
         ArtField* field = holder_->FindFieldByOffset(offset_);
@@ -442,7 +442,7 @@
         for (size_t i = 0; i < holder_size / sizeof(uint32_t); ++i) {
           uint32_t* p = reinterpret_cast<uint32_t*>(holder_);
           LOG(INTERNAL_FATAL) << &p[i] << ": " << "holder+" << (i * sizeof(uint32_t)) << " = "
-                              << std::hex << p[i] << "\n";
+                              << std::hex << p[i];
         }
       }
       PrintFileToLog("/proc/self/maps", LogSeverity::INTERNAL_FATAL);
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.