chore: remove clickhouse, added to zero-contrib (#2848)

core/stores/clickhouse/clickhouse.go

@@ -1,14 +0,0 @@
-package clickhouse
-
-import (
-	// imports the driver, don't remove this comment, golint requires.
-	_ "github.com/ClickHouse/clickhouse-go/v2"
-	"github.com/zeromicro/go-zero/core/stores/sqlx"
-)
-
-const clickHouseDriverName = "clickhouse"
-
-// New returns a clickhouse connection.
-func New(datasource string, opts ...sqlx.SqlOption) sqlx.SqlConn {
-	return sqlx.NewSqlConn(clickHouseDriverName, datasource, opts...)
-}

core/stores/clickhouse/clickhouse_test.go

@@ -1,11 +0,0 @@
-package clickhouse
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestClickHouse(t *testing.T) {
-	assert.NotNil(t, New("clickhouse"))
-}