Removed unnecessary compiler directives.

Author: PawelGerr

samples/Thinktecture.Runtime.Extensions.EntityFrameworkCore.Samples/ProductsDbContext.cs

@@ -4,9 +4,7 @@ namespace Thinktecture;
 
 public class ProductsDbContext : DbContext
 {
-#nullable disable
-   public DbSet<Product> Products { get; set; }
-#nullable enable
+   public DbSet<Product> Products => Set<Product>();
 
    public ProductsDbContext(DbContextOptions<ProductsDbContext> options)
       : base(options)

src/Thinktecture.Runtime.Extensions.MessagePack/Formatters/StructValueObjectMessagePackFormatter.cs

@@ -37,9 +37,7 @@ public void Serialize(ref MessagePackWriter writer, T? value, MessagePackSeriali
    }
 
    /// <inheritdoc />
-#pragma warning disable CS8766
    public T Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
-#pragma warning restore CS8766
    {
       if (!TryReadKey(ref reader, options, out var key))
          return default;
@@ -48,9 +46,7 @@ public T Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions
    }
 
    /// <inheritdoc />
-#pragma warning disable CS8766
    T? IMessagePackFormatter<T?>.Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
-#pragma warning restore CS8766
    {
       if (!TryReadKey(ref reader, options, out var key))
          return default;

src/Thinktecture.Runtime.Extensions.MessagePack/Formatters/ValueObjectMessagePackFormatter.cs

@@ -9,7 +9,7 @@ namespace Thinktecture.Formatters;
 /// </summary>
 /// <typeparam name="T">Type of the value object.</typeparam>
 /// <typeparam name="TKey">Type of the key.</typeparam>
-public sealed class ValueObjectMessagePackFormatter<T, TKey> : IMessagePackFormatter<T>
+public sealed class ValueObjectMessagePackFormatter<T, TKey> : IMessagePackFormatter<T?>
    where T : class, IKeyedValueObject<T, TKey>
    where TKey : notnull
 {
@@ -30,9 +30,7 @@ public void Serialize(ref MessagePackWriter writer, T? value, MessagePackSeriali
    }
 
    /// <inheritdoc />
-#pragma warning disable CS8766
    public T? Deserialize(ref MessagePackReader reader, MessagePackSerializerOptions options)
-#pragma warning restore CS8766
    {
       if (reader.TryReadNil())
          return default;

src/Thinktecture.Runtime.Extensions/Collections/ReadOnlyDictionary.cs

@@ -18,9 +18,7 @@ public bool ContainsKey(TKey key)
       return false;
    }
 
-#pragma warning disable CS8767
    public bool TryGetValue(TKey key, [MaybeNullWhen(false)] out TValue value)
-#pragma warning restore CS8767
    {
       value = default;
       return false;

src/Thinktecture.Runtime.Extensions/Collections/SingleItemReadOnlyDictionary.cs

@@ -23,9 +23,7 @@ public SingleItemReadOnlyDictionary(TKey key, TValue value, IEqualityComparer<TK
       _equalityComparer = equalityComparer ?? EqualityComparer<TKey>.Default;
    }
 
-#pragma warning disable CS8767
    public bool TryGetValue(TKey key, [MaybeNullWhen(false)] out TValue value)
-#pragma warning restore CS8767
    {
       if (_equalityComparer.Equals(_key, key))
       {