MB-10381: Remove include_docs test from config

The views parameter `include_docs` isn't supported in 3.0 anymore, hence
remove the test for it from the config file.

Change-Id: I08547d29d94d425263370cb3d84dacd8c1270c49
Reviewed-on: http://review.couchbase.org/39483
Reviewed-by: Meenakshi Goel <meenakshi.goel@globallogic.com>
Tested-by: buildbot <build@couchbase.com>
Tested-by: Meenakshi Goel <meenakshi.goel@globallogic.com>