util.Logger is nop logger used in non-test code paths

[jake-kramer]

pyroscope/pkg/util/logger.go

Line 17 in d31fcc1

var Logger = log.NewNopLogger()

This logger instance is erroneously used in various non-test code paths. Those references should be updated to use component-specific loggers or removed. Options to address logger instance itself:

1. Remove the global instance
2. Move to somewhere only accessible by tests