Remove comments from the javascript sources

Fixes errors like this

  Couchbase::Error::HTTP: failed to execute HTTP request (key="_design/coupon_code_c", status="400" (Bad Request), error=0x00)
      from /ruby-1.9.3-p327/gems/couchbase-1.2.1/lib/couchbase/bucket.rb:165:in `continue'
      from /ruby-1.9.3-p327/gems/couchbase-1.2.1/lib/couchbase/bucket.rb:165:in `save_design_doc'

Change-Id: Ic4850e1eb4cea2b1c797f509cf402efa99fceb6e
Reference: https://github.com/couchbase/couchbase-ruby-model/issues/5
Reviewed-on: http://review.couchbase.org/24688
Tested-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>