Revert "Added getByLabelAndProperty to GraphDatabaseService"

This reverts commit 08a036c4c6aa417786f45b02d0470f7e812728c7.
Adds getByLabelAndProperty to GraphDatabaseService
Removes unnecessary pattern test that breaks tests
API level work on index querying
 o Added REST support for get node by label and property
 o Added rest docs for get node by label and property
 o Renamed findByLabelAndProperty to findNodesByLabelAndProperty
Acceptance preparation for Cypher index hints

o Added awaitIndexOnline to core API
o Added acceptance tests
o Cypher docs
o Made StmCtx.exactIndexSearch take indexId instead of indexRule
Imports
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