8253631: Remove unimplemented CompileBroker methods after JEP-165

Backport-of: dc1ef58

Author: shipilev

src/hotspot/share/compiler/compileBroker.hpp

@@ -272,10 +272,6 @@ class CompileBroker: AllStatic {
   static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread);
 
 public:
-
-  static DirectivesStack* dirstack();
-  static void set_dirstack(DirectivesStack* stack);
-
   enum {
     // The entry bci used for non-OSR compilations.
     standard_entry_bci = InvocationEntryBci
@@ -290,7 +286,6 @@ class CompileBroker: AllStatic {
   static bool compilation_is_complete(const methodHandle& method, int osr_bci, int comp_level);
   static bool compilation_is_in_queue(const methodHandle& method);
   static void print_compile_queues(outputStream* st);
-  static void print_directives(outputStream* st);
   static int queue_size(int comp_level) {
     CompileQueue *q = compile_queue(comp_level);
     return q != NULL ? q->size() : 0;