To uninstall libboost-signals-dev just follow these instructions.
/debian/wheezy/main///install/index.html managed signals and slots library for C++ (default version) Debian 7.0 libdevel 126.96.36.199
sudo apt-get remove libboost-signals-dev
Which will remove just the libboost-signals-dev package itself.
sudo apt-get remove --auto-remove libboost-signals-dev
This will remove the libboost-signals-dev package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for libboost-signals-dev then this will work.
sudo apt-get purge libboost-signals-dev
Or similarly, like this libboost-signals-dev
sudo apt-get purge --auto-remove libboost-signals-dev
|Maintainer||Debian Boost Team |
|Description||managed signals and slots library for C++ (default version)|