Removed references to MongoDB Library

Author: jerry57

README.md

@@ -2,9 +2,3 @@ Robotframework-Database-Library
 ===============================
 
 Database Library contains utilities meant for Robot Framework's usage. This can allow you to query your database after an action has been made to verify the results. This is compatible* with any Database API Specification 2.0 module.
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-The MongoDB portion of this library has been depricated.  Please see:
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-https://github.com/iPlantCollaborativeOpenSource/Robotframework-MongoDB-Library
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-Where it is being maintained now.