Revert "Temporarily log the start and end of the Mongo unit tests."

This reverts commit bd914cd.

lib-testing/src/main/resources/logback.xml

@@ -12,13 +12,13 @@
 
 	<!-- This emits warnings that matter in production but not in tests -->
 	<logger name="works.bosk.drivers.mongo.UninitializedCollectionException" level="ERROR"/>
-	<logger name="works.bosk.drivers.mongo.AbstractMongoDriverTest" level="INFO"/>
 
 	<!-- How to add more tracing during unit tests
 	<logger name="works.bosk.drivers.mongo" level="DEBUG"/>
 	<logger name="works.bosk.drivers.DriverConformanceTest" level="DEBUG"/>
 	<logger name="works.bosk.drivers.mongo.PandoFormatDriver" level="TRACE"/>
 	<logger name="works.bosk.drivers.mongo.MainDriver" level="TRACE"/>
+	<logger name="works.bosk.drivers.mongo.AbstractMongoDriverTest" level="INFO"/>
 	<logger name="works.bosk.logback.BoskLogFilter" level="DEBUG"/>
 	 -->