build, wallet, doc: Remove BDB

doc/dependencies.md

@@ -32,7 +32,6 @@ Bitcoin Core requires one of the following compilers.
 | [qrencode](../depends/packages/qrencode.mk) (gui) | [link](https://fukuchi.org/works/qrencode/) | [4.1.1](https://github.com/bitcoin/bitcoin/pull/27312) | N/A | No |
 | [Qt](../depends/packages/qt.mk) (gui) | [link](https://download.qt.io/archive/qt/) | [6.7.3](https://github.com/bitcoin/bitcoin/pull/30997) | [6.2](https://github.com/bitcoin/bitcoin/pull/30997) | No |
 | [ZeroMQ](../depends/packages/zeromq.mk) (notifications) | [link](https://github.com/zeromq/libzmq/releases) | [4.3.4](https://github.com/bitcoin/bitcoin/pull/23956) | 4.0.0 | No |
-| [Berkeley DB](../depends/packages/bdb.mk) (legacy wallet) | [link](https://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html) | 4.8.30 | 4.8.x | No |
 | [SQLite](../depends/packages/sqlite.mk) (wallet) | [link](https://sqlite.org) | [3.38.5](https://github.com/bitcoin/bitcoin/pull/25378) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) | No |
 | Python (scripts, tests) | [link](https://www.python.org) | N/A | [3.10](https://github.com/bitcoin/bitcoin/pull/30527) | No |
 | [systemtap](../depends/packages/systemtap.mk) ([tracing](tracing.md)) | [link](https://sourceware.org/systemtap/) | [4.8](https://github.com/bitcoin/bitcoin/pull/26945)| N/A | No |