chore: remove admin management section in channel editor

app/admin/dashboard/components/ChannelsTab.tsx

@@ -1349,48 +1349,6 @@ export function ChannelsTab({
                 />
               </div>
             </div>
-
-            {/* Channel Admins Management */}
-            <div className="border-t border-border pt-6">
-              <h4 className="text-base font-semibold text-foreground mb-4">
-                {language === "zh" ? "管理员管理" : "Administrator Management"}
-              </h4>
-              <div className="space-y-3">
-                {channelAdmins && channelAdmins.length > 0 ? (
-                  channelAdmins.map((admin: any, index: number) => (
-                    <div key={index} className="flex items-center justify-between p-3 bg-muted/50 rounded-lg">
-                      <div className="flex-1">
-                        <p className="font-medium text-foreground">{admin.name}</p>
-                        <p className="text-sm text-muted-foreground">{admin.email}</p>
-                        <Badge variant="outline" className="mt-2">
-                          {language === "zh"
-                            ? admin.role === "billing"
-                              ? "计费管理员"
-                              : admin.role === "operations"
-                                ? "运营管理员"
-                                : "管理员"
-                            : admin.role === "billing"
-                              ? "Billing Admin"
-                              : admin.role === "operations"
-                                ? "Operations Admin"
-                                : "Administrator"}
-                        </Badge>
-                      </div>
-                      <Button
-                        size="sm"
-                        variant="ghost"
-                        onClick={() => handleRemoveAdmin(admin)}
-                        className="text-destructive hover:text-destructive hover:bg-destructive/10"
-                      >
-                        <Trash2 className="h-4 w-4" />
-                      </Button>
-                    </div>
-                  ))
-                ) : (
-                  <p className="text-sm text-muted-foreground">{language === "zh" ? "暂无管理员" : "No administrators"}</p>
-                )}
-              </div>
-            </div>
           </div>
 
           <DialogFooter>