Revert dagger change.

The way we include dependencies/build the classpath means dagger ends
up on the path twice, which causes problems.

Will have to do this when the build process isn't horrifically horrible.

Change-Id: Ib9c08b1eee30a6d151288c73cce776ec05ae621a
Reviewed-on: http://gerrit.dmdirc.com/2743
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>