Remove redundant warning suppressors in Annis query processor

Change-Id: I2930583f1c0d6879f2822589f806a8d42f4ae2bf
diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/AnnisQueryProcessor.java b/src/main/java/de/ids_mannheim/korap/query/serialize/AnnisQueryProcessor.java
index 5689705..4ccf2a6 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/AnnisQueryProcessor.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/AnnisQueryProcessor.java
@@ -995,7 +995,6 @@
     }
 
 
-    @SuppressWarnings("unchecked")
     private Map<String, Object> parseOperatorNode (ParseTree operatorNode) {
         Map<String, Object> relation = null;
         String operator = getNodeCat(operatorNode);
@@ -1131,7 +1130,6 @@
     }
 
 
-    @SuppressWarnings("unchecked")
     private Map<String, Object> parseEdgeSpec (ParseTree edgeSpec) {
         List<ParseTree> annos = getChildrenWithCat(edgeSpec, "edgeAnno");
         if (annos.size() != 1) {