Simon Willnauer 29e80eea40 Remove index.mapping.single_type=false from core/tests (#25331)
This change cleans up core tests to not use `index.mapping.single_type=false`
but instead where applicable use a single type or markt the index as created
with a pre 6.x version.

Relates to #24961
2017-06-22 16:48:16 +02:00
..