env: 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/env/callback.c b/env/callback.c
index 638a02b..98ddba0 100644
--- a/env/callback.c
+++ b/env/callback.c
@@ -9,10 +9,6 @@
 #include <env_internal.h>
 #include <asm/global_data.h>
 
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
 /*
  * Look up a callback function pointer by name
  */
@@ -71,11 +67,7 @@
 	if (!ret && strlen(callback_name)) {
 		clbkp = find_env_callback(callback_name);
 		if (clbkp != NULL)
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-			var_entry->callback = clbkp->callback + gd->reloc_off;
-#else
 			var_entry->callback = clbkp->callback;
-#endif
 	}
 }
 
@@ -112,11 +104,7 @@
 			/* assign the requested callback */
 			clbkp = find_env_callback(value);
 			if (clbkp != NULL)
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-				ep->callback = clbkp->callback + gd->reloc_off;
-#else
 				ep->callback = clbkp->callback;
-#endif
 		}
 	}
 
diff --git a/env/common.c b/env/common.c
index 4cf2dad..21045a7 100644
--- a/env/common.c
+++ b/env/common.c
@@ -428,10 +428,6 @@
 
 void env_relocate(void)
 {
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-	env_fix_drivers();
-	env_htab.change_ok += gd->reloc_off;
-#endif
 	if (gd->env_valid == ENV_INVALID) {
 #if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
 		/* Environment not changable */
diff --git a/env/env.c b/env/env.c
index 2aa52c9..bae3f64 100644
--- a/env/env.c
+++ b/env/env.c
@@ -14,29 +14,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined(CONFIG_NEEDS_MANUAL_RELOC)
-void env_fix_drivers(void)
-{
-	struct env_driver *drv;
-	const int n_ents = ll_entry_count(struct env_driver, env_driver);
-	struct env_driver *entry;
-
-	drv = ll_entry_start(struct env_driver, env_driver);
-	for (entry = drv; entry != drv + n_ents; entry++) {
-		if (entry->name)
-			entry->name += gd->reloc_off;
-		if (entry->load)
-			entry->load += gd->reloc_off;
-		if (entry->save)
-			entry->save += gd->reloc_off;
-		if (entry->erase)
-			entry->erase += gd->reloc_off;
-		if (entry->init)
-			entry->init += gd->reloc_off;
-	}
-}
-#endif
-
 static struct env_driver *_env_driver_lookup(enum env_location loc)
 {
 	struct env_driver *drv;
diff --git a/include/env.h b/include/env.h
index b28886d..430c4fa 100644
--- a/include/env.h
+++ b/include/env.h
@@ -240,11 +240,6 @@
 int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr);
 
 /**
- * env_fix_drivers() - Updates envdriver as per relocation
- */
-void env_fix_drivers(void);
-
-/**
  * env_set_default_vars() - reset variables to their default value
  *
  * This resets individual variables to their value in the default environment