build: mozilla: don't need to build the komodo app separately

(integrated from komodo (trunk) change 85605 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14402 b87d16e7-d29f-4ee1-b5ec-817d645d335f
build: mozilla: unused variable

(integrated from komodo (trunk) change 85606 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14403 b87d16e7-d29f-4ee1-b5ec-817d645d335f