chore(ci): Fix lint errors in features.lua

packages/features.lua

@@ -4,8 +4,8 @@
 
 local lpeg = require("lpeg")
 
-local R, S, P, C, V = lpeg.R, lpeg.S, lpeg.P, lpeg.C, lpeg.V
-local Cf, Ct, Cc = lpeg.Cf, lpeg.Ct, lpeg.Cc
+local R, S, P, C = lpeg.R, lpeg.S, lpeg.P, lpeg.C
+local Cf, Ct = lpeg.Cf, lpeg.Ct
 
 local opentype = { -- Mapping of opentype features to friendly names
   Ligatures = {
@@ -117,8 +117,8 @@ local fontspecsafe = R('AZ', 'az', '09') + P':'
 local fontspecws = SILE.parserBits.whitespace^0
 local fontspecsep = P',' * fontspecws
 local fontspecname = C(fontspecsafe^1)
-local fontspeclist = fontspecws * P'{' * 
-                     Ct(fontspecws * fontspecname * 
+local fontspeclist = fontspecws * P'{' *
+                     Ct(fontspecws * fontspecname *
                         (fontspecsep * fontspecname * fontspecws)^0) *
                      P'}' * fontspecws
 
@@ -177,7 +177,7 @@ local parsefontfeatures = function (options, _)
 
       SU.debug("features", string.format("Built feats: %s", SU.dumpString(false, feats)))
 
-      for kk, vv in pairs(feats) do
+      for _, vv in pairs(feats) do
         local pk, pv = _parsefontfeaturevalue(k, vv)
         t[pk] = pv
       end
@@ -210,7 +210,7 @@ local removefontfeatures = function (options, _)
     end
 
     SILE.settings.set("font.features", table2featurestring(t))
-    SU.debug("features", string.format("Features were: %s\nRemoved features: %s\nFeatures are now: %s", 
+    SU.debug("features", string.format("Features were: %s\nRemoved features: %s\nFeatures are now: %s",
                                         SU.dumpString(false, t_cur), SU.dumpString(false, t_rm),
                                         SU.dumpString(false, t)))
 end