fix: resize of Table.Drop() now decreases size

- Generalized Table.resize() to accept a capacity size for each bucket.

cuckoo_internal_test.go

@@ -25,6 +25,6 @@ func TestLoad(t *testing.T) {
 	for i := range 16 {
 		err := table.Put(i, true)
 		assert.NoError(err)
-		assert.Equal(float64(table.Size())/float64(table.Capacity()), table.load())
+		assert.Equal(float64(table.Size())/float64(table.TotalCapacity()), table.load())
 	}
 }