Remove unused (outdated?) options (#212)

Co-authored-by: Josh Holmer <jholmer.in@gmail.com>

src/lib.rs

@@ -131,14 +131,6 @@ pub struct Options {
     /// Used only in CLI interface
     #[doc(hidden)]
     pub recursive: bool,
-    /// Overwrite existing output files.
-    ///
-    /// Default: `true`
-    pub clobber: bool,
-    /// Create new output files if they don't exist.
-    ///
-    /// Default: `true`
-    pub create: bool,
     /// Write to output even if there was no improvement in compression.
     ///
     /// Default: `false`
@@ -300,8 +292,6 @@ impl Default for Options {
             pretend: false,
             recursive: false,
             fix_errors: false,
-            clobber: true,
-            create: true,
             force: false,
             preserve_attrs: false,
             verbosity: Some(0),

src/main.rs

@@ -403,10 +403,6 @@ fn parse_opts_into_struct(
         opts.fix_errors = true;
     }
 
-    if matches.is_present("clobber") {
-        opts.clobber = false;
-    }
-
     if matches.is_present("pretend") {
         opts.pretend = true;
     }