Remove DirectiveType enum

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleDirective.java

@@ -5,8 +5,6 @@
 package net.sourceforge.pmd.lang.java.ast;
 
 
-import net.sourceforge.pmd.lang.rule.xpath.NoAttribute;
-
 /**
  * A directive of a {@linkplain ASTModuleDeclaration module declaration}.
  * Implementations provide more specific attributes.
@@ -23,28 +21,9 @@ import net.sourceforge.pmd.lang.rule.xpath.NoAttribute;
  */
 public abstract class ASTModuleDirective extends AbstractJavaNode {
 
-    private final DirectiveType type;
 
-
-    ASTModuleDirective(int id, DirectiveType type) {
+    ASTModuleDirective(int id) {
         super(id);
-        this.type = type;
-    }
-
-    /**
-     * Returns the kind of the directive.
-     */
-    @NoAttribute
-    public DirectiveType getType() {
-        return type;
-    }
-
-    /**
-     * Kind of a module directive. Specific kinds are represented by
-     * specific subclasses.
-     */
-    public enum DirectiveType {
-        REQUIRES, EXPORTS, OPENS, USES, PROVIDES
     }
 
 }

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleExportsDirective.java

@@ -21,7 +21,7 @@ import net.sourceforge.pmd.lang.ast.NodeStream;
 public final class ASTModuleExportsDirective extends AbstractPackageNameModuleDirective {
 
     ASTModuleExportsDirective(int id) {
-        super(id, DirectiveType.EXPORTS);
+        super(id);
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleOpensDirective.java

@@ -21,7 +21,7 @@ import net.sourceforge.pmd.lang.ast.NodeStream;
 public final class ASTModuleOpensDirective extends AbstractPackageNameModuleDirective {
 
     ASTModuleOpensDirective(int id) {
-        super(id, DirectiveType.OPENS);
+        super(id);
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleProvidesDirective.java

@@ -21,7 +21,7 @@ import net.sourceforge.pmd.lang.ast.NodeStream;
 public final class ASTModuleProvidesDirective extends ASTModuleDirective {
 
     ASTModuleProvidesDirective(int id) {
-        super(id, DirectiveType.PROVIDES);
+        super(id);
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleRequiresDirective.java

@@ -24,7 +24,7 @@ public final class ASTModuleRequiresDirective extends ASTModuleDirective {
     private boolean isTransitive;
 
     ASTModuleRequiresDirective(int id) {
-        super(id, DirectiveType.REQUIRES);
+        super(id);
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTModuleUsesDirective.java

@@ -16,7 +16,7 @@ package net.sourceforge.pmd.lang.java.ast;
 public final class ASTModuleUsesDirective extends ASTModuleDirective {
 
     ASTModuleUsesDirective(int id) {
-        super(id, DirectiveType.USES);
+        super(id);
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/AbstractPackageNameModuleDirective.java

@@ -6,8 +6,8 @@ package net.sourceforge.pmd.lang.java.ast;
 
 public abstract class AbstractPackageNameModuleDirective extends ASTModuleDirective {
 
-    AbstractPackageNameModuleDirective(int id, DirectiveType type) {
-        super(id, type);
+    AbstractPackageNameModuleDirective(int id) {
+        super(id);
     }
 
     public final String getPackageName() {