Revert "feat(blog): add Visibility { Private, Public } to gate post reads"

This reverts commit 33ecfa7ebd.

src/Yavsc.Server/Models/ApplicationDbContext.cs

@@ -13,7 +13,6 @@ namespace Yavsc.Models
     using Bank;
     using Billing;
     using Blog;
-    using Blogspot;
     using Chat;
     using Drawing;
     using Forms;
@@ -223,17 +222,6 @@ namespace Yavsc.Models
                 .WithMany(u => u.Posts)
                 .HasForeignKey(b => b.AuthorId)
                 .OnDelete(DeleteBehavior.Restrict);
-
-            // Store Visibility as a plain int (NOT NULL, default
-            // 0 = Private) so existing rows land on the pre-ACL
-            // behaviour by default. System.Text.Json serialises
-            // the enum as its underlying int, so the wire shape
-            // is a plain number — no JsonConverter needed.
-            builder.Entity<BlogPost>()
-                .Property(b => b.Visibility)
-                .HasConversion<int>()
-                .HasDefaultValue(Visibility.Private)
-                .IsRequired();
             builder.Entity<Comment>()
                 .HasOne(c => c.Author)
                 .WithMany(u => u.BlogComments)

src/Yavsc.Server/Models/Blog/BlogPost.cs

@@ -30,21 +30,6 @@ namespace Yavsc.Models.Blog
         [Display(Name = "Liste de contrôle d'accès")]
         public virtual List<CircleAuthorizationToBlogPost>? ACL { get; set; }
 
-        /// <summary>
-        /// Visibility of this post.
-        /// <para><see cref="Visibility.Public"/> reads through the
-        /// ACL (open when the ACL is empty, narrowed by the ACL
-        /// when it is non-empty). <see cref="Visibility.Private"/>
-        /// ignores the ACL at read time and restricts to author +
-        /// administrators. The ACL list is preserved across
-        /// Private/Public flips so re-opening is lossless.</para>
-        /// <para>Configured as <c>int</c> with default
-        /// <see cref="Visibility.Private"/> in
-        /// <c>ApplicationDbContext.OnModelCreating</c>.</para>
-        /// </summary>
-        [Display(Name = "Visibilité")]
-        public Visibility Visibility { get; set; } = Visibility.Private;
-
         [Display(Name = "Identifiant de l'auteur")]
         [ForeignKey("Author")]
         public string? AuthorId { get; set; }