build, wallet, doc: Remove BDB

depends/packages/bdb.mk

@@ -1,33 +0,0 @@
-package=bdb
-$(package)_version=4.8.30
-$(package)_download_path=https://download.oracle.com/berkeley-db
-$(package)_file_name=db-$($(package)_version).NC.tar.gz
-$(package)_sha256_hash=12edc0df75bf9abd7f82f821795bcee50f42cb2e5f76a6a281b85732798364ef
-$(package)_build_subdir=build_unix
-$(package)_patches=clang_cxx_11.patch
-
-define $(package)_set_vars
-$(package)_config_opts=--disable-shared --enable-cxx --disable-replication --enable-option-checking
-$(package)_config_opts_mingw32=--enable-mingw
-$(package)_cflags+=-Wno-error=implicit-function-declaration -Wno-error=format-security -Wno-error=implicit-int
-$(package)_cppflags_freebsd=-D_XOPEN_SOURCE=600 -D__BSD_VISIBLE=1
-$(package)_cppflags_netbsd=-D_XOPEN_SOURCE=600
-$(package)_cppflags_mingw32=-DUNICODE -D_UNICODE
-endef
-
-define $(package)_preprocess_cmds
-  patch -p1 < $($(package)_patch_dir)/clang_cxx_11.patch && \
-  cp -f $(BASEDIR)/config.guess $(BASEDIR)/config.sub dist
-endef
-
-define $(package)_config_cmds
-  ../dist/$($(package)_autoconf)
-endef
-
-define $(package)_build_cmds
-  $(MAKE) libdb_cxx-4.8.a libdb-4.8.a
-endef
-
-define $(package)_stage_cmds
-  $(MAKE) DESTDIR=$($(package)_staging_dir) install_lib install_include
-endef

depends/packages/packages.mk

@@ -15,7 +15,6 @@ ifneq ($(host),$(build))
 qt_native_packages := native_qt
 endif
 
-bdb_packages=bdb
 sqlite_packages=sqlite
 
 zmq_packages=zeromq