DATAMONGO-1061 - change in MongoTemplate for setting readPreference w…

[thecodemaker]

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  …hen multiple templates are used with different read preferences

[odrotbohm]

Dropped in favor of a different implementation. See the ticket for details.

[agoston]

@olivergierke what implementation is that? I've just bumped into this again, but there is no update in DATAMONGO-1061