Revert "Implement cumulative timings for CompilerDriver."

This reverts commit df013175d1aa04641e5c6175f8c786e547d31654.
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index 714dc4c..5edc8b6 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -341,7 +341,7 @@
                                CompilerBackend compiler_backend, InstructionSet instruction_set,
                                InstructionSetFeatures instruction_set_features,
                                bool image, DescriptorSet* image_classes, size_t thread_count,
-                               bool dump_stats, bool dump_passes, CumulativeLogger* timer)
+                               bool dump_stats)
     : verified_methods_data_(verified_methods_data),
       method_inliner_map_(method_inliner_map),
       compiler_backend_(compiler_backend),
@@ -356,8 +356,6 @@
       start_ns_(0),
       stats_(new AOTCompilationStats),
       dump_stats_(dump_stats),
-      dump_passes_(dump_passes),
-      timings_logger_(timer),
       compiler_library_(NULL),
       compiler_(NULL),
       compiler_context_(NULL),