* MM-62378: Initialize status and session cache before loading license ps.LoadLicense could end up calling InvalidateAllCaches. Therefore, we need to intialize those caches before calling LoadLicense to prevent a panic from happening. While here, we also remove some unused code. https://mattermost.atlassian.net/browse/MM-62378 ```release-note NONE ``` * fix lint errors ```release-note NONE ``` * fix test ```release-note NONE ```