vtnet.4: remove stray line

Reported by:	Timo Völker
Fixes:		ac87d70563 ("vtnet.4: improve existing descriptions and add missing ones")
MFC after:	3 days
Sponsored by:	Netflix, Inc.

share/man/man4/vtnet.4

@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 21, 2025
+.Dd September 3, 2025
 .Dt VTNET 4
 .Os
 .Sh NAME
@@ -127,7 +127,6 @@ This option applies to all interfaces.
 The default value is 0.
 .El
 .Sh TRANSMIT QUEUE STATISTICS
-.Bl -tag -width "xxxxxx"
 For each transmit queue of each interface the following read-only statistics
 are provided:
 .Bl -tag -width "xxxxxx"