Merge #17370: doc: Update doc/bips.md with recent changes in master

fa7f5a4d2a doc: Update doc/bips.md with recent changes in master (MarcoFalke)

Pull request description:

  Follow-up to #17165

ACKs for top commit:
  jonatack:
    ACK fa7f5a4d2a. Verified markdown view at https://github.com/MarcoFalke/bitcoin-core/blob/1911-docBips/doc/bips.md and the urls in the links. Some of the PRs are indicated with # and some without, but this is the case over the whole document.
  laanwj:
    ACK fa7f5a4d2a
  fanquake:
    ACK fa7f5a4d2a

Tree-SHA512: 31782b5f1f2f10b1189f05f010f908c183dbe723477ca1c46ad1d3bee5ea483335847008a7fe48d72373ccd39b84e0b950d0d1b23e457cb70f34210c5f2dc6aa

doc/bips.md

@@ -19,7 +19,11 @@ BIPs that are implemented by Bitcoin Core (up-to-date up to **v0.19.0**):
 * [`BIP 65`](https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki): The CHECKLOCKTIMEVERIFY softfork was merged in **v0.12.0** ([PR #6351](https://github.com/bitcoin/bitcoin/pull/6351)), and backported to **v0.11.2** and **v0.10.4**. Mempool-only CLTV was added in [PR #6124](https://github.com/bitcoin/bitcoin/pull/6124).
 * [`BIP 66`](https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki): The strict DER rules and associated version 3 blocks have been implemented since **v0.10.0** ([PR #5713](https://github.com/bitcoin/bitcoin/pull/5713)).
 * [`BIP 68`](https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki): Sequence locks have been implemented as of **v0.12.1**  ([PR #7184](https://github.com/bitcoin/bitcoin/pull/7184)), and have been *buried* since **v0.19.0** ([PR #16060](https://github.com/bitcoin/bitcoin/pull/16060)).
-* [`BIP 70`](https://github.com/bitcoin/bips/blob/master/bip-0070.mediawiki) [`71`](https://github.com/bitcoin/bips/blob/master/bip-0071.mediawiki) [`72`](https://github.com/bitcoin/bips/blob/master/bip-0072.mediawiki): Payment Protocol support has been available in Bitcoin Core GUI since **v0.9.0** ([PR #5216](https://github.com/bitcoin/bitcoin/pull/5216)). Support can be optionally disabled at build time since **v0.18.0** ([PR 14451](https://github.com/bitcoin/bitcoin/pull/14451)), and is disabled by default at build time since **v0.19.0** ([PR #15584](https://github.com/bitcoin/bitcoin/pull/15584)).
+* [`BIP 70`](https://github.com/bitcoin/bips/blob/master/bip-0070.mediawiki) [`71`](https://github.com/bitcoin/bips/blob/master/bip-0071.mediawiki) [`72`](https://github.com/bitcoin/bips/blob/master/bip-0072.mediawiki):
+  Payment Protocol support has been available in Bitcoin Core GUI since **v0.9.0** ([PR #5216](https://github.com/bitcoin/bitcoin/pull/5216)).
+  Support can be optionally disabled at build time since **v0.18.0** ([PR 14451](https://github.com/bitcoin/bitcoin/pull/14451)),
+  and it is disabled by default at build time since **v0.19.0** ([PR #15584](https://github.com/bitcoin/bitcoin/pull/15584)).
+  It has been removed as of **v0.20.0** ([PR 17165](https://github.com/bitcoin/bitcoin/pull/17165)).
 * [`BIP 90`](https://github.com/bitcoin/bips/blob/master/bip-0090.mediawiki): Trigger mechanism for activation of BIPs 34, 65, and 66 has been simplified to block height checks since **v0.14.0** ([PR #8391](https://github.com/bitcoin/bitcoin/pull/8391)).
 * [`BIP 111`](https://github.com/bitcoin/bips/blob/master/bip-0111.mediawiki): `NODE_BLOOM` service bit added, and enforced for all peer versions as of **v0.13.0** ([PR #6579](https://github.com/bitcoin/bitcoin/pull/6579) and [PR #6641](https://github.com/bitcoin/bitcoin/pull/6641)).
 * [`BIP 112`](https://github.com/bitcoin/bips/blob/master/bip-0112.mediawiki): The CHECKSEQUENCEVERIFY opcode has been implemented since **v0.12.1** ([PR #7524](https://github.com/bitcoin/bitcoin/pull/7524)), and has been *buried* since **v0.19.0** ([PR #16060](https://github.com/bitcoin/bitcoin/pull/16060)).