Unlink bin
Unlink bin

Fixes this error:

The project was not built due to "Could not write file:
/Users/coryli/Code/eclipse/bcode2013-scaffold/bin/examplefuncsplayer.". Fix
the problem, then try refreshing this project and building it since it
may be inconsistent

Signed-off-by: Anders Kaseorg <087231934ba8fcf78bc142ce37d193b895ac03c4@mit.edu>

cdubz/blitzcode-2015-bot