Review chatty logging

Description

When troubleshooting and logging on the Information and Debug levels, many log messages are not helpful and degrade performance. These messages should be removed or logged on Trace level.

The following classes were changed to reduce chattiness:

• ContentProvider
• OptimisticCache
• ConnectionContext
• ModuleFinder
• DBDataStoreProvider
• SqlDatabaseHandler
• EventMessageValidator
• EventProviderService
• HttpRuntimeCache
• InitializeEngine
• DynamicDataSerializer
• EventProviderService
• ScheduledJob
• SchedulerService
• LanguageSegment