Remove accidentally added file (#3304)

See discussion in [`1ab94d6`
(#3303)](1ab94d662b (r1473078205))

@qwerty287

server/api/queue.go

@@ -1,21 +0,0 @@
-package api
-
-import (
-	"encoding/json"
-	"log"
-	"net/http"
-
-	"go.woodpecker-ci.org/woodpecker/v2/server/queue" // replace with the actual import path
-)
-
-func GetQueueStats() {
-	http.HandleFunc("/api/queue/stats", func(w http.ResponseWriter, r *http.Request) {
-		var stats queue.InfoT
-		err := json.NewEncoder(w).Encode(stats)
-		if err != nil {
-			// handle the error
-			log.Printf("Error encoding JSON: %v", err)
-			return
-		}
-	})
-}