To uninstall libboost-timer1.49.0 just follow these instructions.
/debian/wheezy/main///install/index.html C++ wall clock and CPU process timers Debian 7.0 libs 1.49.0-3.2
sudo apt-get remove libboost-timer1.49.0
Which will remove just the libboost-timer1.49.0 package itself.
sudo apt-get remove --auto-remove libboost-timer1.49.0
This will remove the libboost-timer1.49.0 package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for libboost-timer1.49.0 then this will work.
sudo apt-get purge libboost-timer1.49.0
Or similarly, like this libboost-timer1.49.0
sudo apt-get purge --auto-remove libboost-timer1.49.0
|Maintainer||Debian Boost Team |
|Description||C++ wall clock and CPU process timers|