format and cleanup; version verification

[TanyaStere42]

verifying that all dependencies are locked to a specific version as well as cleanup of commented out dependencies and configuration duplication that could lead to problems down the road

PR fixes #595

Changes

• linting
• cleaned out commented out dependencies
• cleared out maven compiler configuration that is duplicate of the global project setting
• cleared out duplicate io.prometheus dependencies

[naknomum]

looks to be just cleanup of whitespace, cruft, duplication, etc.

confirmed:

• compiles with maven
• deployed war file passes spot checks of functionality