Remove redundant dependency of media_manager tests from plugin_manager
Remove redundant dependency of media_manager tests from plugin_manager

smartdevicelink/sdl_core,APCVSRepo/sdl_core,APCVSRepo/sdl_core,APCVSRepo/sdl_core,smartdevicelink/sdl_core,smartdevicelink/sdl_core,LuxoftAKutsan/sdl_core,smartdevicelink/sdl_core,LuxoftAKutsan/sdl_core,LuxoftAKutsan/sdl_core,APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core,LuxoftAKutsan/sdl_core,APCVSRepo/sdl_core,LuxoftAKutsan/sdl_core