remove unused type parameters

h2/src/test/org/h2/test/store/TestCacheLongKeyLIRS.java

@@ -10,7 +10,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map.Entry;
 import java.util.Random;
-
 import org.h2.mvstore.cache.CacheLongKeyLIRS;
 import org.h2.test.TestBase;
 import org.h2.util.New;
@@ -455,7 +454,7 @@ public class TestCacheLongKeyLIRS extends TestBase {
         }
     }
 
-    private static <K, V> String toString(CacheLongKeyLIRS<V> cache) {
+    private static <V> String toString(CacheLongKeyLIRS<V> cache) {
         StringBuilder buff = new StringBuilder();
         buff.append("mem: " + cache.getUsedMemory());
         buff.append(" stack:");
@@ -473,7 +472,7 @@ public class TestCacheLongKeyLIRS extends TestBase {
         return buff.toString();
     }
 
-    private <K, V> void verify(CacheLongKeyLIRS<V> cache, String expected) {
+    private <V> void verify(CacheLongKeyLIRS<V> cache, String expected) {
         if (expected != null) {
             String got = toString(cache);
             assertEquals(expected, got);

h2/src/tools/org/h2/dev/hash/IntPerfectHash.java

@@ -193,13 +193,13 @@ public class IntPerfectHash {
      * @param list the data
      * @return the hash function description
      */
-    public static <K> byte[] generate(ArrayList<Integer> list) {
+    public static byte[] generate(ArrayList<Integer> list) {
         ByteStream out = new ByteStream();
         generate(list, 0, out);
         return out.toByteArray();
     }
 
-    private static <K> void generate(ArrayList<Integer> list, int level, ByteStream out) {
+    private static void generate(ArrayList<Integer> list, int level, ByteStream out) {
         int size = list.size();
         if (size <= 1) {
             out.write((byte) size);

h2/src/tools/org/h2/dev/hash/MinimalPerfectHash.java

@@ -528,7 +528,7 @@ public class MinimalPerfectHash<K> {
         return (x & (-1 >>> 1)) % size;
     }
 
-    private static <K> int hash(int x, int level, int offset, int size) {
+    private static int hash(int x, int level, int offset, int size) {
         x += level + offset * 32;
         x = ((x >>> 16) ^ x) * 0x45d9f3b;
         x = ((x >>> 16) ^ x) * 0x45d9f3b;