[llvm] TableGen: Remove dead def of implicit node (PR #159688)

[Matt Arsenault via llvm-commits]

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/159688

This was removed in 501a58344179242f702f55e0ee5c039290426c54

>From c9728dc76e44dc94e1bb3369ad573154eb9116d5 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Fri, 19 Sep 2025 10:12:45 +0900
Subject: [PATCH] TableGen: Remove dead def of implicit node

This was removed in 501a58344179242f702f55e0ee5c039290426c54
---
 llvm/include/llvm/Target/TargetSelectionDAG.td | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/include/llvm/Target/TargetSelectionDAG.td b/llvm/include/llvm/Target/TargetSelectionDAG.td
index ef88c9507c86d..5e57dcaa303f3 100644
--- a/llvm/include/llvm/Target/TargetSelectionDAG.td
+++ b/llvm/include/llvm/Target/TargetSelectionDAG.td
@@ -363,7 +363,6 @@ class SDNode<string opcode, SDTypeProfile typeprof,
 
 // Special TableGen-recognized dag nodes
 def set;
-def implicit;
 def node;
 def srcvalue;