Delete ncv capability from terminfo

We do not need to disable the previous ncv definition, because
there is not previous definition.

st.info

@@ -149,7 +149,6 @@ st| simpleterm,
 	lines#24,
 	mir,
 	msgr,
-	ncv@,
 	npc,
 	op=\E[39;49m,
 	pairs#64,