ART: Remove redundant MoveInstructionBefore method

Change-Id: If53d7011197cc6b9c1702a3d98ef11b59eb76f0c
diff --git a/compiler/optimizing/select_generator.cc b/compiler/optimizing/select_generator.cc
index e52476e..e409035 100644
--- a/compiler/optimizing/select_generator.cc
+++ b/compiler/optimizing/select_generator.cc
@@ -96,10 +96,10 @@
     // TODO(dbrazdil): This puts an instruction between If and its condition.
     //                 Implement moving of conditions to first users if possible.
     if (!true_block->IsSingleGoto()) {
-      true_block->MoveInstructionBefore(true_block->GetFirstInstruction(), if_instruction);
+      true_block->GetFirstInstruction()->MoveBefore(if_instruction);
     }
     if (!false_block->IsSingleGoto()) {
-      false_block->MoveInstructionBefore(false_block->GetFirstInstruction(), if_instruction);
+      false_block->GetFirstInstruction()->MoveBefore(if_instruction);
     }
     DCHECK(true_block->IsSingleGoto());
     DCHECK(false_block->IsSingleGoto());