Chore: Remove unused Go code (#28852)

* Chore: Remove more unused Go code

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/tsdb/influxdb/models.go

@@ -25,10 +25,6 @@ type Tag struct {
 
 type Select []QueryPart
 
-type InfluxDbSelect struct {
-	Type string
-}
-
 type Response struct {
 	Results []Result
 	Err     error

pkg/tsdb/influxdb/query_part.go

@@ -128,10 +128,6 @@ func aliasRenderer(query *Query, queryContext *tsdb.TsdbQuery, part *QueryPart,
 	return fmt.Sprintf(`%s AS "%s"`, innerExpr, part.Params[0])
 }
 
-func (r QueryDefinition) Render(query *Query, queryContext *tsdb.TsdbQuery, part *QueryPart, innerExpr string) string {
-	return r.Renderer(query, queryContext, part, innerExpr)
-}
-
 func NewQueryPart(typ string, params []string) (*QueryPart, error) {
 	def, exist := renders[typ]
 	if !exist {