Revert "ART: Refactor SsaBuilder for more precise typing info"

This reverts commit d9510dfc32349eeb4f2145c801f7ba1d5bccfb12.

Bug: 26208284

Bug: 24252151
Bug: 24252100
Bug: 22538329
Bug: 25786318

Change-Id: I5f491becdf076ff51d437d490405ec4e1586c010
diff --git a/compiler/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
index af3a005..350f0b1 100644
--- a/compiler/optimizing/optimizing_unit_test.h
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -19,13 +19,9 @@
 
 #include "nodes.h"
 #include "builder.h"
-#include "common_compiler_test.h"
 #include "compiler/dex/pass_manager.h"
 #include "dex_file.h"
 #include "dex_instruction.h"
-#include "handle_scope-inl.h"
-#include "scoped_thread_state_change.h"
-#include "ssa_builder.h"
 #include "ssa_liveness_analysis.h"
 
 #include "gtest/gtest.h"
@@ -46,6 +42,7 @@
 #define FIVE_REGISTERS_CODE_ITEM(...)  N_REGISTERS_CODE_ITEM(5, __VA_ARGS__)
 #define SIX_REGISTERS_CODE_ITEM(...)   N_REGISTERS_CODE_ITEM(6, __VA_ARGS__)
 
+
 LiveInterval* BuildInterval(const size_t ranges[][2],
                             size_t number_of_ranges,
                             ArenaAllocator* allocator,
@@ -114,12 +111,6 @@
   return instruction->GetBlock() == nullptr;
 }
 
-inline void TransformToSsa(HGraph* graph) {
-  ScopedObjectAccess soa(Thread::Current());
-  StackHandleScopeCollection handles(soa.Self());
-  EXPECT_EQ(graph->TryBuildingSsa(&handles), kBuildSsaSuccess);
-}
-
 }  // namespace art
 
 #endif  // ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_