Merge bitcoin/bitcoin#30720: chainparams: Remove seed.bitcoinstats.com

c88a7dc chainparams: Remove seed.bitcoinstats.com (Ava Chow)

Pull request description:

  This seeder no longer appears to be serving sufficient addresses.

  Fixes #29911

ACKs for top commit:
  1440000bytes:
    ACK bitcoin/bitcoin@c88a7dc
  virtu:
    ACK bitcoin/bitcoin@c88a7dc
  mzumsande:
    ACK c88a7dc
  BrandonOdiwuor:
    ACK c88a7dc

Tree-SHA512: 23db3a217bbc3cd96785f17bd2b1db886392cc864dfc00498fa30e69df414ad02cb35f34cd6b7e8adab7c024a7efa8fd4a39b8b8ef274d95974cb16eb1c39a5b

Author: fanquake

src/kernel/chainparams.cpp

@@ -145,7 +145,6 @@ class CMainParams : public CChainParams {
         vSeeds.emplace_back("seed.bitcoin.sipa.be."); // Pieter Wuille, only supports x1, x5, x9, and xd
         vSeeds.emplace_back("dnsseed.bluematt.me."); // Matt Corallo, only supports x9
         vSeeds.emplace_back("dnsseed.bitcoin.dashjr-list-of-p2p-nodes.us."); // Luke Dashjr
-        vSeeds.emplace_back("seed.bitcoinstats.com."); // Christian Decker, supports x1 - xf
         vSeeds.emplace_back("seed.bitcoin.jonasschnelli.ch."); // Jonas Schnelli, only supports x1, x5, x9, and xd
         vSeeds.emplace_back("seed.btc.petertodd.net."); // Peter Todd, only supports x1, x5, x9, and xd
         vSeeds.emplace_back("seed.bitcoin.sprovoost.nl."); // Sjors Provoost