Change a ton of stuff in CPD

pmd-go/src/test/java/net/sourceforge/pmd/cpd/GoTokenizerTest.java

@@ -4,8 +4,6 @@
 
 package net.sourceforge.pmd.cpd;
 
-import java.util.Properties;
-
 import org.junit.jupiter.api.Test;
 
 import net.sourceforge.pmd.cpd.test.CpdTextComparisonTest;
@@ -16,11 +14,6 @@ class GoTokenizerTest extends CpdTextComparisonTest {
         super(".go");
     }
 
-    @Override
-    public Tokenizer newTokenizer(Properties properties) {
-        return new GoTokenizer();
-    }
-
     @Override
     protected String getResourcePrefix() {
         return "../lang/go/cpd/testdata";