remove :main dirac.agent-cli from project.clj

This was causing large jar size because all code and deps were AOTed inside.
Also this caused cryptic errors when included into environment with Clojure 1.7.0.

Author: darwin

Diff for: project.clj

@@ -23,9 +23,6 @@
 
   ;  :jvm-opts ["-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"]
 
-  :main dirac.agent-cli
-  :aot [dirac.agent-cli]
-
   :figwheel
   {:server-port    7100
    :server-logfile ".figwheel_server.log"