Remove deprecated Password field from AuthenticateUserByName

Jellyfin.Api/Models/UserDtos/AuthenticateUserByName.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Jellyfin.Api.Models.UserDtos
+namespace Jellyfin.Api.Models.UserDtos
 {
     /// <summary>
     /// The authenticate user by name request body.
@@ -16,11 +14,5 @@ namespace Jellyfin.Api.Models.UserDtos
         /// Gets or sets the plain text password.
         /// </summary>
         public string? Pw { get; set; }
-
-        /// <summary>
-        /// Gets or sets the sha1-hashed password.
-        /// </summary>
-        [Obsolete("Send password using pw field")]
-        public string? Password { get; set; }
     }
 }