Remove author for clap parser

Since there is no author specified in `Cargo.toml` there is no need to
add this to the application. Also this should have been fixuped with the
previous commit, but I was unable to make that happen.

Author: wert007

src/lib.rs

@@ -489,7 +489,7 @@ pub enum LocParseError {
 
 /// Parses the Git history.
 #[derive(Parser, Debug)]
-#[clap(author, version, about, long_about = None)]
+#[clap(version, about, long_about = None)]
 pub struct Args {
     #[clap(subcommand)]
     pub input_method: InputMethod,