doc: remove mentions of UPnP

doc/build-freebsd.md

@@ -42,7 +42,7 @@ from ports. However, you can build DB 4.8 yourself [using depends](/depends).
 
 ```bash
 pkg install gmake
-gmake -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_UPNP=1 NO_ZMQ=1 NO_USDT=1
+gmake -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_ZMQ=1 NO_USDT=1
 ```
 
 When the build is complete, the Berkeley DB installation location will be displayed:

doc/build-openbsd.md

@@ -44,7 +44,7 @@ from ports. However you can build it yourself, [using depends](/depends).
 Refer to [depends/README.md](/depends/README.md) for detailed instructions.
 
 ```bash
-gmake -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_UPNP=1 NO_ZMQ=1 NO_USDT=1
+gmake -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_ZMQ=1 NO_USDT=1
 ...
 to: /path/to/bitcoin/depends/*-unknown-openbsd*
 ```

doc/build-osx.md

@@ -110,19 +110,6 @@ Otherwise, if you don't need QR encoding support, you can pass `-DWITH_QRENCODE=
 
 ---
 
-#### Port Mapping Dependencies
-
-###### miniupnpc
-
-miniupnpc may be used for UPnP port mapping.
-Skip if you do not need this functionality.
-
-``` bash
-brew install miniupnpc
-```
-
----
-
 #### ZMQ Dependencies
 
 Support for ZMQ notifications requires the following dependency.

doc/build-unix.md

@@ -60,10 +60,6 @@ executables, which are based on BerkeleyDB 4.8. Otherwise, you can build Berkele
 
 To build Bitcoin Core without wallet, see [*Disable-wallet mode*](#disable-wallet-mode)
 
-Optional port mapping library (see: `-DWITH_MINIUPNPC=ON`):
-
-    sudo apt install libminiupnpc-dev
-
 ZMQ dependencies (provides ZMQ API):
 
     sudo apt-get install libzmq3-dev
@@ -112,10 +108,6 @@ are based on Berkeley DB 4.8. Otherwise, you can build Berkeley DB [yourself](#b
 
 To build Bitcoin Core without wallet, see [*Disable-wallet mode*](#disable-wallet-mode)
 
-Optional port mapping library (see: `-DWITH_MINIUPNPC=ON`):
-
-    sudo dnf install miniupnpc-devel
-
 ZMQ dependencies (provides ZMQ API):
 
     sudo dnf install zeromq-devel
@@ -153,7 +145,7 @@ The legacy wallet uses Berkeley DB. To ensure backwards compatibility it is
 recommended to use Berkeley DB 4.8. If you have to build it yourself, and don't
 want to use any other libraries built in depends, you can do:
 ```bash
-make -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_UPNP=1 NO_ZMQ=1 NO_USDT=1
+make -C depends NO_BOOST=1 NO_LIBEVENT=1 NO_QT=1 NO_SQLITE=1 NO_ZMQ=1 NO_USDT=1
 ...
 to: /path/to/bitcoin/depends/x86_64-pc-linux-gnu
 ```

doc/dependencies.md

@@ -31,11 +31,6 @@ You can find installation instructions in the `build-*.md` file for your platfor
 | [qrencode](../depends/packages/qrencode.mk) | [link](https://fukuchi.org/works/qrencode/) | [4.1.1](https://github.com/bitcoin/bitcoin/pull/27312) | | No |
 | [Qt](../depends/packages/qt.mk) | [link](https://download.qt.io/official_releases/qt/) | [5.15.14](https://github.com/bitcoin/bitcoin/pull/30198) | [5.11.3](https://github.com/bitcoin/bitcoin/pull/24132) | No |
 
-### Networking
-| Dependency | Releases | Version used | Minimum required | Runtime |
-| --- | --- | --- | --- | --- |
-| [MiniUPnPc](../depends/packages/miniupnpc.mk) | [link](https://miniupnp.tuxfamily.org/) | [2.2.7](https://github.com/bitcoin/bitcoin/pull/29707) | 2.1 | No |
-
 ### Notifications
 | Dependency | Releases | Version used | Minimum required | Runtime |
 | --- | --- | --- | --- | --- |

doc/tor.md

@@ -200,7 +200,7 @@ as well, use `discover` instead:
 
     ./bitcoind ... -discover
 
-and open port 8333 on your firewall (or use port mapping, i.e., `-upnp` or `-natpmp`).
+and open port 8333 on your firewall (or use port mapping, i.e., `-natpmp`).
 
 If you only want to use Tor to reach .onion addresses, but not use it as a proxy
 for normal IPv4/IPv6 communication, use: