build, wallet, doc: Remove BDB

contrib/devtools/check-deps.sh

@@ -41,9 +41,6 @@ ALLOWED_DEPENDENCIES+=(
 
 # Declare list of known errors that should be suppressed.
 declare -A SUPPRESS
-# init.cpp file currently calls Berkeley DB sanity check function on startup, so
-# there is an undocumented dependency of the node library on the wallet library.
-SUPPRESS["init.cpp.o bdb.cpp.o _ZN6wallet27BerkeleyDatabaseSanityCheckEv"]=1
 # init/common.cpp file calls InitError and InitWarning from interface_ui which
 # is currently part of the node library. interface_ui should just be part of the
 # common library instead, and is moved in

contrib/valgrind.supp

@@ -14,44 +14,12 @@
 # Note that suppressions may depend on OS and/or library versions.
 # Tested on aarch64 and x86_64 with Ubuntu Noble system libs, using clang-16
 # and GCC, without gui.
-{
-   Suppress libdb warning - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=662917
-   Memcheck:Cond
-   obj:*/libdb_cxx-*.so
-   fun:__log_put
-}
-{
-   Suppress libdb warning
-   Memcheck:Param
-   pwrite64(buf)
-   fun:pwrite
-   fun:__os_io
-}
-{
-   Suppress libdb warning
-   Memcheck:Cond
-   fun:__log_putr.isra.1
-}
-{
-   Suppress libdb warning
-   Memcheck:Param
-   pwrite64(buf)
-   ...
-   obj:*/libdb_cxx-*.so
-}
 {
    Suppress uninitialized bytes warning in compat code
    Memcheck:Param
    ioctl(TCSET{S,SW,SF})
    fun:tcsetattr
 }
-{
-   Suppress libdb warning
-   Memcheck:Leak
-   fun:malloc
-   ...
-   obj:*/libdb_cxx-*.so
-}
 {
    Suppress leaks on shutdown
    Memcheck:Leak