common: event: Remove unused NEEDS_MANUAL_RELOC code bits

The last user of the NEEDS_MANUAL_RELOC has been removed in commit
26af162ac8f8 ("arch: m68k: Implement relocation")
Remove now unused NEEDS_MANUAL_RELOC code.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/common/board_r.c b/common/board_r.c
index 630c104..e309633 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -590,9 +590,6 @@
 	 */
 #endif
 	initr_reloc_global_data,
-#if IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC) && CONFIG_IS_ENABLED(EVENT)
-	event_manual_reloc,
-#endif
 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
 	initr_unlock_ram_in_cache,
 #endif
diff --git a/common/event.c b/common/event.c
index d11b37a..3080d9e 100644
--- a/common/event.c
+++ b/common/event.c
@@ -168,20 +168,6 @@
 	}
 }
 
-#if IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)
-int event_manual_reloc(void)
-{
-	struct evspy_info *spy, *end;
-
-	spy = ll_entry_start(struct evspy_info, evspy_info);
-	end = ll_entry_end(struct evspy_info, evspy_info);
-	for (; spy < end; spy++)
-		MANUAL_RELOC(spy->func);
-
-	return 0;
-}
-#endif
-
 #if CONFIG_IS_ENABLED(EVENT_DYNAMIC)
 static void spy_free(struct event_spy *spy)
 {
diff --git a/include/event.h b/include/event.h
index 311df87..be4cefd 100644
--- a/include/event.h
+++ b/include/event.h
@@ -329,16 +329,6 @@
 void event_show_spy_list(void);
 
 /**
- * event_manual_reloc() - Relocate event handler pointers
- *
- * Relocate event handler pointers for all static event spies. It is called
- * during the generic board init sequence, after relocation.
- *
- * Return: 0 if OK
- */
-int event_manual_reloc(void);
-
-/**
  * event_type_name() - Get the name of an event type
  *
  * @type: Type to check