feat: 去除 webTerminal 的 websocket 依赖

cmd/dashboard/controller/controller.go

@@ -9,7 +9,6 @@ import (
 	"os"
 	"strconv"
 	"strings"
-	"sync"
 	"time"
 
 	"code.cloudfoundry.org/bytefmt"
@@ -68,7 +67,7 @@ func ServeWeb(port uint) *http.Server {
 
 func routers(r *gin.Engine) {
 	// 通用页面
-	cp := commonPage{r: r, terminals: make(map[string]*terminalContext), terminalsLock: new(sync.Mutex)}
+	cp := commonPage{r: r}
 	cp.serve()
 	// 游客页面
 	gp := guestPage{r}