Remove Wallet Tools

We already have the exact same funtionality in /contrib/bitrpc/bitrpc.py

If we really do need standalone scripts, then I'll write something to
pull it from that file, rather than having duplicate code.

Forgot to remove wallet tools from index.

Wallet Tools Follow Up Info
Update ax_boost_base.m4 to serial 21

- Add aarch64 to the list of lib64 architectures
Update ax_boost_filesystem.m4 to serial 26

- Fixed cut-and-paste error.
- See http://savannah.gnu.org/patch/?7576 for further details.
- Use 'ls -r' rather than non-portable tool 'tac'.
- Simplify filepattern in ls expression so dylib (on OSX) are also detected.
Update ax_boost_program_options.m4 serial 22

- Fixed detection of dynamic libraries on Mac OS X (*.dylib)

See http://savannah.gnu.org/patch/?7719 for further details.
Update ax_boost_system.m4 to serial 17

- Use 'ls -r' rather than non-portable tool 'tac'. Simplify filepattern in ls expression so dylib (on OSX) are also detected.
Update ax_boost_thread.m4 to serial 27

- Use 'ls -r' in order to try newer version before older ones. Simplify
  ls pattern so also dylibs are detected.
Update ax_pthread.m4 to serial 21

- Add support for Clang

Further details can be found at http://savannah.gnu.org/patch/?8186
Merge pull request #3278 from laanwj/2013_11_boost_m4

Update boost m4 files
Merge pull request #3234 from super3/master

Remove Wallet Tools