Fix Eclipse warnings about unnecessary warning suppressions

com.ibm.wala.cast/source/java/com/ibm/wala/cast/ir/translator/AstTranslator.java

@@ -699,7 +699,6 @@ public abstract class AstTranslator extends CAstVisitor<AstTranslator.WalkContex
    * holds the control-flow graph as it is being constructed. When construction
    * is complete, information is stored in an {@link AstCFG}
    */
-  @SuppressWarnings("javadoc")
   public final class IncipientCFG extends SparseNumberedGraph<PreBasicBlock> {
 
     protected class Unwind {

com.ibm.wala.core/src/com/ibm/wala/dataflow/IFDS/TabulationSolver.java

@@ -542,7 +542,7 @@ public class TabulationSolver<T, P, F> {
   /**
    * Handle lines [14 - 19] of the algorithm, propagating information into and across a call site.
    */
-  @SuppressWarnings({ "unused", "unused" })
+  @SuppressWarnings("unused")
   protected void processCall(final PathEdge<T> edge) {
     if (DEBUG_LEVEL > 0) {
       System.err.println("process call: " + edge);