Sema: Remove TypeChecker::checkConformance()

Author: slavapestov

lib/Sema/TypeCheckProtocol.cpp

@@ -5332,12 +5332,6 @@ TypeChecker::couldDynamicallyConformToProtocol(Type type, ProtocolDecl *Proto,
   return !M->checkConformance(type, Proto).isInvalid();
 }
 
-void TypeChecker::checkConformance(NormalProtocolConformance *conformance) {
-  MultiConformanceChecker checker(conformance->getProtocol()->getASTContext());
-  checker.addConformance(conformance);
-  checker.checkAllConformances();
-}
-
 /// Determine the score when trying to match two identifiers together.
 static unsigned scoreIdentifiers(Identifier lhs, Identifier rhs,
                                  unsigned limit) {

lib/Sema/TypeChecker.h

@@ -811,8 +811,6 @@ bool conformsToKnownProtocol(Type type, KnownProtocolKind protocol,
 /// \returns True if \p T conforms to the protocol \p Proto, false otherwise.
 bool couldDynamicallyConformToProtocol(Type T, ProtocolDecl *Proto,
                                        ModuleDecl *M);
-/// Completely check the given conformance.
-void checkConformance(NormalProtocolConformance *conformance);
 
 /// Check all of the conformances in the given context.
 void checkConformancesInContext(IterableDeclContext *idc);