Revert "MB-9081: use right get_indexed_seqs and fix index-aware purging"
Revert "MB-9081: use right get_indexed_seqs and fix index-aware purging"

This reverts commit 3ad1334dfe2d43b1e056bfd947a1f6529c1ab38a.

Change-Id: Ie28d6073ee36265c0575c6a5c8c0b8484ce44c62
Reviewed-on: http://review.couchbase.org/29502
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

mschoch/ns_server,daverigby/ns_server,nimishzynga/ns_server,mschoch/ns_server,mschoch/ns_server,vzasade/ns_server,ceejatec/ns_server,nimishzynga/ns_server,daverigby/ns_server,membase/ns_server,membase/ns_server,daverigby/ns_server,vzasade/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,membase/ns_server,ceejatec/ns_server,ceejatec/ns_server,ceejatec/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,ceejatec/ns_server,mschoch/ns_server,mschoch/ns_server,membase/ns_server,vzasade/ns_server,membase/ns_server,membase/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,daverigby/ns_server,ceejatec/ns_server,vzasade/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server