Remove unused field

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/parser/ArgListCompiler.java

@@ -57,23 +57,23 @@
 import org.antlr.v4.runtime.ParserRuleContext;
 
 public class ArgListCompiler<T> extends Python3BaseVisitor<T> {
-    private boolean arglist, keywordlist;
+    private boolean arglist;
     public final List<String> names;
     public final List<String> fpnames;
     public final List<ParserRuleContext> init_code;
     private final ParserErrorCallback errors;
 
     public ArgListCompiler(ParserErrorCallback errors) {
         this.errors = errors;
-        arglist = keywordlist = false;
+        arglist = false;
         // defaults = null;
         names = new ArrayList<>();
         fpnames = new ArrayList<>();
         init_code = new ArrayList<>();
     }
 
     public void reset() {
-        arglist = keywordlist = false;
+        arglist = false;
         names.clear();
         init_code.clear();
     }
@@ -110,7 +110,6 @@ public T visitVsplatparameter(VsplatparameterContext ctx) {
 
     @Override
     public T visitVkwargsparameter(VkwargsparameterContext ctx) {
-        keywordlist = true;
         if (ctx.vfpdef() != null) {
             addName(ctx.vfpdef().NAME().getText());
         } else {
@@ -147,7 +146,6 @@ public T visitSplatparameter(SplatparameterContext ctx) {
 
     @Override
     public T visitKwargsparameter(KwargsparameterContext ctx) {
-        keywordlist = true;
         if (ctx.tfpdef() != null) {
             addName(ctx.tfpdef().NAME().getText());
         } else {