Revert "Initial check-in of an optimizing compiler."

g++ warnings turned into errors.

This reverts commit 68a5fefa90f03fdf5a238ac85c9439c6b03eae96.

Change-Id: I09bb95d9cc13764ca8a266c41af04801a34b9fd0
diff --git a/compiler/Android.mk b/compiler/Android.mk
index 7eb7f7e..27bc3a3 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -21,6 +21,7 @@
 LIBART_COMPILER_SRC_FILES := \
 	compiled_method.cc \
 	dex/local_value_numbering.cc \
+	dex/arena_allocator.cc \
 	dex/arena_bit_vector.cc \
 	dex/quick/arm/assemble_arm.cc \
 	dex/quick/arm/call_arm.cc \
@@ -80,10 +81,7 @@
 	llvm/runtime_support_builder.cc \
 	llvm/runtime_support_builder_arm.cc \
 	llvm/runtime_support_builder_x86.cc \
-	optimizing/builder.cc \
-	optimizing/nodes.cc \
 	trampolines/trampoline_compiler.cc \
-	utils/arena_allocator.cc \
 	utils/arm/assembler_arm.cc \
 	utils/arm/managed_register_arm.cc \
 	utils/assembler.cc \