[clang] Remove deprecated ControlFlowContext::build()

clang/include/clang/Analysis/FlowSensitive/ControlFlowContext.h

 /// analysis.
 class ControlFlowContext {
 public:
   /// Builds a ControlFlowContext from an AST node. `D` is the function in which
   /// `S` resides and must not be null.
   static llvm::Expected<ControlFlowContext> build(const Decl *D, Stmt &S,
                                                   ASTContext &C);
 
-  // DEPRECATED. Use overload above.
-  static llvm::Expected<ControlFlowContext> build(const Decl *D, Stmt *S,
-                                                  ASTContext *C);
-
   /// Returns the `Decl` containing the statement used to construct the CFG, if
   /// available.
   const Decl *getDecl() const { return ContainingDecl; }
 
   /// Returns the CFG that is stored in this context.
   const CFG &getCFG() const { return *Cfg; }
 
   /// Returns a mapping from statements to basic blocks that contain them.

clang/lib/Analysis/FlowSensitive/ControlFlowContext.cpp

return llvm::createStringError(
         std::make_error_code(std::errc::invalid_argument),
         "CFG::buildCFG failed");
 
   llvm::DenseMap<const Stmt *, const CFGBlock *> StmtToBlock =
       buildStmtToBasicBlockMap(*Cfg);
   return ControlFlowContext(D, std::move(Cfg), std::move(StmtToBlock));
 }
 
-llvm::Expected<ControlFlowContext>
-ControlFlowContext::build(const Decl *D, Stmt *S, ASTContext *C) {
-  assert(S != nullptr);
-  assert(C != nullptr);
-  return build(D, *S, *C);
-}
-
 } // namespace dataflow
 } // namespace clang