cosmetic: remove obsolete @SuppressWarnings tags
diff --git a/src/main/java/org/apache/sling/caconfig/spi/metadata/AbstractMetadata.java b/src/main/java/org/apache/sling/caconfig/spi/metadata/AbstractMetadata.java
index 42a85f8..7592d35 100644
--- a/src/main/java/org/apache/sling/caconfig/spi/metadata/AbstractMetadata.java
+++ b/src/main/java/org/apache/sling/caconfig/spi/metadata/AbstractMetadata.java
@@ -32,7 +32,7 @@
     private String description;
     private Map<String,String> properties;
 
-    @SuppressWarnings({ "null", "unused" })
+    @SuppressWarnings("unused")
     public AbstractMetadata(@NotNull String name) {
         if (name == null) {
             throw new IllegalArgumentException("Invalid name: " + name);