AP_Menu: use APM_BUILD_DELEGATES

libraries/AP_Menu/AP_Menu.h

@@ -56,7 +56,7 @@ public:
     ///						command, so that the same function can be used
     ///						to handle more than one command.
     ///
-#if APM_BUILD_TYPE(APM_BUILD_APMrover2)
+#if APM_BUILD_DELEGATES
     typedef DELEGATE_FUNCTION2(int8_t, uint8_t, const struct arg *) func;
 #else
     typedef int8_t (*func)(uint8_t argc, const struct arg *argv);
@@ -73,7 +73,7 @@ public:
     ///
     /// If this function returns false, the menu exits.
     ///
-#if APM_BUILD_TYPE(APM_BUILD_APMrover2)
+#if APM_BUILD_DELEGATES
     typedef DELEGATE_FUNCTION0(bool) preprompt;
 #else
     typedef bool (*preprompt)(void);
@@ -98,7 +98,7 @@ public:
         /// The "?", "help" and "exit" commands are always defined, but
         /// can be overridden by explicit entries in the command array.
         ///
-#if APM_BUILD_TYPE(APM_BUILD_APMrover2)
+#if APM_BUILD_DELEGATES
         DELEGATE_FUNCTION2(int8_t, uint8_t, const struct arg *) func;
 #else
         int8_t (*func)(uint8_t argc, const struct arg *argv);