BSC VTY: Remove extraneous 'else' from write_ts_single()

This caused the E1 parameters not to be displayed in case the channel
was using frequency hopping.
diff --git a/openbsc/src/bsc_vty.c b/openbsc/src/bsc_vty.c
index 6a170b2..19e75c4 100644
--- a/openbsc/src/bsc_vty.c
+++ b/openbsc/src/bsc_vty.c
@@ -332,7 +332,7 @@
 			vty_out(vty, "     hopping arfcn add %u%s",
 				i, VTY_NEWLINE);
 		}
-	} else
+	}
 	config_write_e1_link(vty, &ts->e1_link, "     ");
 }