removed big file from lua example.
removed big file from lua example.

jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api,jamesward/pubnub-api