message: logging: Don't import functions
diff: -use log::{set_max_level, LevelFilter, Metadata, Record};
  +use log::{LevelFilter, Metadata, Record};
  /// Data structure to filter kernel messages
  struct KernelLogger;
  @@ -37,7 +37,7 @@ pub unsafe fn init() {
  Some("Info") => LevelFilter::Info,
  _ => LevelFilter::Info,
  };
  - set_max_level(max_level);
  + log::set_max_level(max_level);
  }
  macro_rules! infoheader {
  