fix: remove redundant test TestRemove (#8)

This test offers the same functionality as `TestAddItem`.

Reviewed-on: #8
Co-authored-by: M.V. Hutz <git@maximhutz.me>
Co-committed-by: M.V. Hutz <git@maximhutz.me>

cuckoo_test.go

@@ -118,18 +118,6 @@ func TestGetMany(t *testing.T) {
 	}
 }
 
-func TestRemove(t *testing.T) {
-	assert := assert.New(t)
-	table := cuckoo.NewTable[int, bool]()
-
-	assert.False(table.Has(0))
-
-	err := table.Put(0, true)
-	assert.NoError(err)
-
-	assert.True(table.Has(0))
-}
-
 func TestDropExistingItem(t *testing.T) {
 	assert := assert.New(t)
 	key, value := 0, true