Remove duplicate FreeBSD Id

Remoce unused #include
Use imperative mode to start flag description

usr.bin/cut/cut.1

@@ -86,7 +86,7 @@ It is not an error to select fields or columns not present in the
 input line.
 .Pp
 The options are as follows:
-.Bl -tag -width Fl
+.Bl -tag -width indent
 .It Fl b Ar list
 The 
 .Ar list
@@ -107,7 +107,7 @@ Output fields are separated by a single tab character.
 .It Fl n
 Do not split multi-byte characters.
 .It Fl s
-Suppresses lines with no field delimiter characters.
+Suppress lines with no field delimiter characters.
 Unless specified, lines with no delimiters are passed through unmodified.
 .El
 .Pp

usr.bin/cut/cut.c

@@ -32,9 +32,6 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- *
- * $FreeBSD$
- *
  */
 
 #ifndef lint
@@ -48,7 +45,6 @@ static const char rcsid[] =
 
 #include <ctype.h>
 #include <err.h>
-#include <errno.h>
 #include <limits.h>
 #include <locale.h>
 #include <stdio.h>