Remove "@return" for void-returning functions

com.ibm.wala.cast/source/java/com/ibm/wala/cast/tree/visit/CAstVisitor.java

@@ -1722,7 +1722,6 @@ public abstract class CAstVisitor<C extends CAstVisitor.Context> {
    * Visit an InstanceOf node.
    * @param n the node to process
    * @param c a visitor-specific context
-   * @return true if no further processing is needed
    */
   protected void leaveAssert(CAstNode n, C c, CAstVisitor<C> visitor) { visitor.leaveNode(n, c, visitor); }
   protected boolean visitAssert(CAstNode n, C c, CAstVisitor<C> visitor) { return visitor.visitNode(n, c, visitor); }

com.ibm.wala.dalvik/src/com/ibm/wala/dalvik/ipa/callgraph/androidModel/parameters/FlatInstantiator.java

@@ -343,9 +343,6 @@ public class FlatInstantiator implements IInstantiator {
         return instance; 
     }
 
-    /**
-     *  @return an unallocated SSAVariable
-     */
     private void createPrimitive(SSAValue instance) {
         // XXX; something else?
         instance.setAssigned();

com.ibm.wala.dalvik/src/com/ibm/wala/dalvik/ipa/callgraph/androidModel/parameters/Instantiator.java

@@ -344,9 +344,6 @@ public class Instantiator implements IInstantiator {
         return instance; 
     }
 
-    /**
-     *  @return an unallocated SSAVariable
-     */
     private void createPrimitive(SSAValue instance) {
         // XXX; something else?
         instance.setAssigned();

com.ibm.wala.scandroid/source/org/scandroid/synthmethod/XMLSummaryWriter.java

@@ -175,7 +175,6 @@ public class XMLSummaryWriter {
      * No guarantees as to the state of the Document if an exception is thrown.
      * 
      * @param summary
-     * @return
      * @throws DOMException
      * @throws UTFDataFormatException
      * @throws SSASerializationException