Remove NID_MLKEM1024 alias

After https://chromium-review.googlesource.com/c/chromium/src/+/7018409,
this is no longer needed.

Bug: 449751916
Change-Id: I0769ccf444cf3602fbcfdcd809c842d4892954d7
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/82827
Reviewed-by: Lily Chen <chlily@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Lily Chen <chlily@google.com>
diff --git a/crypto/obj/objects.go b/crypto/obj/objects.go
index dd69384..d705a84 100644
--- a/crypto/obj/objects.go
+++ b/crypto/obj/objects.go
@@ -464,11 +464,7 @@
 		fmt.Fprintf(&b, "\n")
 	}
 
-	fmt.Fprintf(&b, `// NID_MLKEM1024 is a legacy alias for NID_ML_KEM_1024.
-// TODO(crbug.com/449751916): Migrate existing uses and remove this.
-#define NID_MLKEM1024 NID_ML_KEM_1024
-
-
+	fmt.Fprintf(&b, `
 #if defined(__cplusplus)
 }  /* extern C */
 #endif
diff --git a/include/openssl/nid.h b/include/openssl/nid.h
index fce873c..3e7d2b0 100644
--- a/include/openssl/nid.h
+++ b/include/openssl/nid.h
@@ -4241,10 +4241,6 @@
 #define NID_ML_KEM_768 970
 #define OBJ_ML_KEM_768 2L, 16L, 840L, 1L, 101L, 3L, 4L, 4L, 2L
 
-// NID_MLKEM1024 is a legacy alias for NID_ML_KEM_1024.
-// TODO(crbug.com/449751916): Migrate existing uses and remove this.
-#define NID_MLKEM1024 NID_ML_KEM_1024
-
 
 #if defined(__cplusplus)
 } /* extern C */