scripted-diff: Replace UINT256_ONE() with uint256::ONE

-BEGIN VERIFY SCRIPT-
sed -i '/inline.* UINT256_ONE() {/,+1d' src/uint256.h
sed -i 's/UINT256_ONE()/uint256::ONE/' $(git grep -l UINT256_ONE)
-END VERIFY SCRIPT-

src/wallet/scriptpubkeyman.cpp

@@ -655,7 +655,7 @@ std::unique_ptr<CKeyMetadata> LegacyScriptPubKeyMan::GetMetadata(const CTxDestin
 
 uint256 LegacyScriptPubKeyMan::GetID() const
 {
-    return UINT256_ONE();
+    return uint256::ONE;
 }
 
 /**