Remove quirks from main (#26736)

Author: ajcvickers

src/EFCore.Relational/Extensions/RelationalEntityTypeExtensions.cs

@@ -135,8 +135,7 @@ public static void SetTableName(this IMutableEntityType entityType, string? name
         /// <returns>The database schema that contains the mapped table.</returns>
         public static string? GetSchema(this IReadOnlyEntityType entityType)
         {
-            if (entityType.GetTableName() == null
-                && !(AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26651", out var enabled) && enabled))
+            if (entityType.GetTableName() == null)
             {
                 return null;
             }

src/EFCore/Metadata/Internal/InternalForeignKeyBuilder.cs

@@ -973,15 +973,11 @@ private static bool IsCompatible(
                 Metadata.DeclaringEntityType.Model.ScopedModelDependencies?.Logger.AmbiguousEndRequiredWarning(Metadata);
             }
 
-            if (AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26611", out var enabled) && enabled)
-            {
-                Metadata.SetIsRequired(required, configurationSource);
-                return this;
-            }
-
             IConventionForeignKey? foreignKey = Metadata;
-            var result = Metadata.DeclaringEntityType.Model.ConventionDispatcher.Track(
+
+            Metadata.DeclaringEntityType.Model.ConventionDispatcher.Track(
                 () => Metadata.SetIsRequired(required, configurationSource), ref foreignKey);
+
             if (foreignKey != null)
             {
                 return ((ForeignKey)foreignKey).Builder;