Remove unneeded javadocs

h2/src/main/org/h2/command/dml/Query.java

@@ -210,11 +210,8 @@ public abstract class Query extends Prepared {
         distinct = b;
     }
 
-    /**
-     * Exposed for external TableEngine implementations.
-     */
     public boolean isDistinct() {
-        return this.distinct;
+        return distinct;
     }
     
     /**
@@ -486,22 +483,16 @@ public abstract class Query extends Prepared {
         this.offsetExpr = offset;
     }
 
-    /**
-     * Exposed for external TableEngine implementations.
-     */
     public Expression getOffset() {
-        return this.offsetExpr;
+        return offsetExpr;
     }
     
     public void setLimit(Expression limit) {
         this.limitExpr = limit;
     }
 
-    /**
-     * Exposed for external TableEngine implementations.
-     */
     public Expression getLimit() {
-        return this.limitExpr;
+        return limitExpr;
     }
     
     /**

h2/src/main/org/h2/command/dml/Select.java

@@ -127,11 +127,8 @@ public class Select extends Query {
         this.group = group;
     }
 
-    /**
-     * Exposed for external TableEngine implementations.
-     */
     public ArrayList<Expression> getGroupBy() {
-        return this.group;
+        return group;
     }
     
     public HashMap<Expression, Object> getCurrentGroup() {
@@ -1093,11 +1090,8 @@ public class Select extends Query {
         this.having = having;
     }
 
-    /**
-     * Exposed for external TableEngine implementations.
-     */
     public Expression getHaving() {
-        return this.having;
+        return having;
     }
     
     public int getColumnCount() {

h2/src/main/org/h2/index/IndexCondition.java

@@ -298,9 +298,6 @@ public class IndexCondition {
         }
     }
 
-    /**
-     * The comparison type, see constants in {@link Comparison}
-     */
     public int getCompareType() {
         return compareType;
     }