Remove accidental print statement

Author: thiagoarrais

clippy_dev/src/lib.rs

@@ -146,7 +146,6 @@ fn gather_from_file(dir_entry: &walkdir::DirEntry) -> impl Iterator<Item = Lint>
     let mut content = String::new();
     file.read_to_string(&mut content).unwrap();
     let mut filename = dir_entry.path().file_stem().unwrap().to_str().unwrap();
-    println!("{}", filename);
     // If the lints are stored in mod.rs, we get the module name from
     // the containing directory:
     if filename == "mod" {