Remove separate quiver line in x-v

Missiles are now shown in the Throw line of the attack table, and
for special darts and throwing nets, they are also described in the
unusual item description. Thus, the line "It is quivering javelins."
or similar is now redundant.

crawl-ref/source/describe.cc

@@ -5459,23 +5459,6 @@ static string _monster_attacks_description(const monster_info& mi)
     return result.str();
 }
 
-static string _monster_missiles_description(const monster_info& mi)
-{
-    item_def *missile = mi.inv[MSLOT_MISSILE].get();
-    if (!missile)
-        return "";
-
-    string desc;
-    desc += uppercase_first(mi.pronoun(PRONOUN_SUBJECTIVE));
-    desc += mi.pronoun_plurality() ? " are quivering " : " is quivering ";
-    if (missile->is_type(OBJ_MISSILES, MI_THROWING_NET))
-        desc += missile->name(DESC_A, false, false, true, false);
-    else
-        desc += pluralise(missile->name(DESC_PLAIN, false, false, true, false));
-    desc += ".\n";
-    return desc;
-}
-
 #define SPELL_LIST_BEGIN "[SPELL_LIST_BEGIN]"
 #define SPELL_LIST_END "[SPELL_LIST_END]"
 
@@ -6267,7 +6250,6 @@ static string _monster_stat_description(const monster_info& mi, bool mark_spells
     if (mon_explodes_on_death(mi.type))
         _desc_mon_death_explosion(result, mi);
 
-    result << _monster_missiles_description(mi);
     result << _monster_habitat_description(mi);
     result << _monster_spells_description(mi, mark_spells);