Revert "Introduce Goto instructions to the flow graph."

runtime/vm/flow_graph_optimizer.cc

Index: runtime/vm/flow_graph_optimizer.cc
diff --git a/runtime/vm/flow_graph_optimizer.cc b/runtime/vm/flow_graph_optimizer.cc
index 93e7d00ae2accdc1934b7e4ade5c45f70a1dff13..ec1683c346a8b66df7b87bfa9d9cc27e9d9e3e6a 100644
--- a/runtime/vm/flow_graph_optimizer.cc
+++ b/runtime/vm/flow_graph_optimizer.cc
@@ -519,7 +519,8 @@ static void TryFuseComparisonWithBranch(BindInstr* instr,
           comp->MarkFusedWithBranch(branch);
           branch->MarkFusedWithComparison(comp);
           branch->set_is_negated(true);
-          // Remove the comparison and the boolean negation from the graph.
+
+          // Remove comparison and boolean negation from the graph.
           branch->set_previous(instr->previous());
           instr->previous()->set_next(branch);
           return;