Merge bitcoin/bitcoin#23122: doc: Remove un-actionable TODO from chainparams.cpp

fa18962 doc: Remove un-actionable TODO from chainparams.cpp (MarcoFalke)

Pull request description:

  This can't be fixed by writing code, see discussion in https://github.com/bitcoin/bitcoin/pull/23021/files#r717426632

ACKs for top commit:
  jarolrod:
    ACK fa18962
  prayank23:
    ACK bitcoin/bitcoin@fa18962

Tree-SHA512: 3c5c0a0f45d057c9a617797007220837d7dcb29ae5996441e41b3698a67dc3d898f465adc0a958ecef430068cd9c564540bb534bbb3b230a53130ea001629f3e

Author: fanquake

src/chainparams.cpp

@@ -282,7 +282,7 @@ class SigNetParams : public CChainParams {
             bin = ParseHex("512103ad5e0edad18cb1f0fc0d28a3d4f1f3e445640337489abb10404f2d1e086be430210359ef5021964fe22d6f8e05b2463c9540ce96883fe3b278760f048f5189f2e6c452ae");
             vSeeds.emplace_back("seed.signet.bitcoin.sprovoost.nl");
 
-            // TODO: remove hardcoded nodes once there are more DNS seeds
+            // Hardcoded nodes can be removed once there are more DNS seeds
             vSeeds.emplace_back("178.128.221.177");
             vSeeds.emplace_back("v7ajjeirttkbnt32wpy3c6w3emwnfr3fkla7hpxcfokr3ysd3kqtzmqd.onion:38333");