more style fixes

Author: adinn

substratevm/src/com.oracle.svm.hosted/src/com/oracle/svm/hosted/image/NativeImageDebugInfoProvider.java

@@ -125,8 +125,6 @@ class NativeImageDebugInfoProvider implements DebugInfoProvider {
     private final Set<HostedMethod> allOverrides;
     HostedType wordBaseType;
 
-    private static final String GRAAL_WORDBASE_TYPE_NAME = "Lorg/graalvm/word/WordBase;";
-
     NativeImageDebugInfoProvider(DebugContext debugContext, NativeImageCodeCache codeCache, NativeImageHeap heap, HostedMetaAccess metaAccess) {
         super();
         this.debugContext = debugContext;