Cleanup: we are not patching entries any longer

runtime/vm/code_patcher.h

Index: runtime/vm/code_patcher.h
diff --git a/runtime/vm/code_patcher.h b/runtime/vm/code_patcher.h
index 2f747f2add4568ea38f84ea904f7c8f2e30e5642..dc2716856a9d62b3b0bfd065ee904b7b083a37df 100644
--- a/runtime/vm/code_patcher.h
+++ b/runtime/vm/code_patcher.h
@@ -49,15 +49,6 @@ class CodePatcher : public AllStatic {
                                 const Code& code,
                                 const Code& new_target);
 
-  // Patch entry point with a jump as specified in the code's patch region.
-  static void PatchEntry(const Code& code, const Code& new_code);
-
-  // Restore entry point with original code (i.e., before patching).
-  static void RestoreEntry(const Code& code);
-
-  // Has the entry been patched?
-  static bool IsEntryPatched(const Code& code);
-
   // Return the target address of the static call before return_address
   // in given code.
   static RawCode* GetStaticCallTargetAt(uword return_address, const Code& code);