Sema: Remove now-unused ConstraintGraph::inferBindings()

Author: slavapestov

include/swift/Sema/ConstraintGraph.h

@@ -448,11 +448,6 @@ class ConstraintGraph {
   void unrelateTypeVariables(TypeVariableType *typeVar,
                              TypeVariableType *otherTypeVar);
 
-  /// Infer bindings from the given constraint.
-  ///
-  /// Note that this it only meant to be called by SolverTrail::Change::undo().
-  void inferBindings(TypeVariableType *typeVar, Constraint *constraint);
-
   /// Retract bindings from the given constraint.
   ///
   /// Note that this it only meant to be called by SolverTrail::Change::undo().

lib/Sema/ConstraintGraph.cpp

@@ -540,11 +540,6 @@ void ConstraintGraph::unrelateTypeVariables(TypeVariableType *typeVar,
   node.removeReference(otherTypeVar);
 }
 
-void ConstraintGraph::inferBindings(TypeVariableType *typeVar,
-                                    Constraint *constraint) {
-  (*this)[typeVar].getPotentialBindings().infer(CS, typeVar, constraint);
-}
-
 void ConstraintGraph::retractBindings(TypeVariableType *typeVar,
                                       Constraint *constraint) {
   (*this)[typeVar].getPotentialBindings().retract(CS, typeVar, constraint);