CBQE-2057: Remove redundant files from view-conf.
The following files are  removed as part of code cleanup. The
view-premerge is merged with existing py-viewmerge, view-single,
regresion-view, viewquery-failover, viewquery-mac are redundant files
and hence removed.

Change-Id: I27d4c5e56b300c839e65e91ab86ad3afe3cb4565
Reviewed-on: http://review.couchbase.org/33824
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Reviewed-by: Volker Mische <volker.mische@gmail.com>