Revert of [ignition/turbo] Perform liveness analysis on the bytecodes

src/interpreter/control-flow-builders.cc

Index: src/interpreter/control-flow-builders.cc
diff --git a/src/interpreter/control-flow-builders.cc b/src/interpreter/control-flow-builders.cc
index 866c6a3446c7943e2cd651830164851c52f9a4e1..0e71b96cce7b09e1b4b4a6ac663637ddca3a1364 100644
--- a/src/interpreter/control-flow-builders.cc
+++ b/src/interpreter/control-flow-builders.cc
@@ -55,10 +55,8 @@
   // and misplaced between the headers.
   DCHECK(break_labels_.empty() && continue_labels_.empty());
   builder()->Bind(&loop_header_);
-  if (additional_labels != nullptr) {
-    for (auto& label : *additional_labels) {
-      builder()->Bind(&label);
-    }
+  for (auto& label : *additional_labels) {
+    builder()->Bind(&label);
   }
 }